What is the consequence of a Type I error?​   Question 39 options:   ​Concluding that a treatment has an effect when it really does   ​Concluding that a treatment has no effect when it really has no effect   ​Concluding that a treatment has no effect when it really does   ​Concluding that a treatment has an effect when it really has no effect

Q: The hypothesis we are actually testing is called the ____ hypothesis; we do this because  1 Null;…

A: We want to tell you which one is the correct choice.

Q: Question 8 Assume the mean useful life of a Caterpillar motor is 500,000 hours and is normally…

A: Given: Mean μ = 500,000 Standard deviation σ = 50,000 X = 605,000 Formula Used: Z-score = X-μσ

Q: The owner of a local movie theater keeps track of the number of tickets sold in each purchase and…

A:

Q: The FDA regulates that fish that are consumed should contain no more than 1.0 mg/kg of mercury. In…

A: Given information- We have given the data on the average mercury level in the lake.

Q: The lengths of adult males' hands are normally distributed with mean 191 mm and standard deviation…

A: Given,mean(μ)=191Standard deviation(σ)=7.1sample size(n)=50

Q: Suppose the number of pages per book in a library has an unknown distribution with population mean…

A: It is given that  Mean = 287 Standard deviation = 40 Sample size, n = 95

Q: In recent years more people have been working past the age of 65. In 2005, 27% of people aged 65-69…

A: Introduction: Denote p as the current true proportion of 65-69-year-old working people.

Q: Bar exam has below passing rates:    1st time passing: 28%  2nd time passing: 88%    Find the…

A: Given that Bar exam has below passing rates:  1st time passing: 28% 2nd time passing: 88% We have to…

Q: How many ways are there to select a committee of 8 people from a group of 30 candidates? Leave your…

A: 8 people selected for committee Total 30 candidates. nCr = n!/(r! *(n- r)!)

Q: Assume that a procedure yields a binomial distribution with n = 44 trials and the probability of…

A: Given,n=44p=0.23A randomvariable X~Binomial(n=44 , p=0.23)P(X=x)=Cx(0.23)x(1-0.23)44-x      ;…

Q: An employee at Coconino Community College (CCC) is evaluated based on goal setting and…

A: Data is given for weight according to rating We have to calculate weighted average score

Q: The following table shows the Excel output of a multiple regression on the 1st week box office of…

A: Multiple regression usable to check the effect of different variables on a response variable. i.e.,…

Q: 2. The administration at a college wishes to estimate, the proportion of all its entering freshmen…

A: Given,population standard deviation(σ)=1.3Margin of error(E)=0.05α=1-0.95=0.05α2=0.025Z0.025=1.96

Q: MATH STATISTICS Part 4. 1. Examine the data set below that represents a sample. B.) the median of…

A: First arrange the data : 40,40,42,45,47,50,51,57,58,60,66,67,77,80,83,86,87,88,88,90 N= 20(even)

Q: -9 -8 -7 -0:3- -0-2- 0:4 -0-1-

A: Given information- Population mean, µ = -6 Population standard deviation, σ = 1 Let, X be the random…

Q: In a random sample of ten cell​ phones, the mean full retail price was ​$433.00 and the standard…

A: The question is about confidence interval Given : Randomly selected cell phone ( n ) = 10 Sample…

Q: According to USA Today, customers are not settling for automobiles straight off the production…

A: Given: Sample meanx¯=5000Sample size(n)=179Standard deviationσ=1500

Q: A population of values has a normal distribution with = 179.6 and o=97.1. You intend to draw a…

A: normal distributionμ = 179.6σ = 97.1 (a)…

Q: P is a probability density function on a Sample space of (1,2,3) P(1) = 0.38 P(3) = 0.33 Find the…

A: Farmula used  Sd(x)=√V(x)

Q: Question 7 Suppose you have a fair dodecahedron dice (that means its 12 sided). The sides are…

A:

Q: 3. The Dagupan City Tribune reported that 75% of population oppose same sex marriages, 20% approve,…

A: The question is about categorical data analysis Given : Popl. prop. opposed to same sex marriage (…

Q: If you truly belive that a new theraputic technique will decrease episodes what would be the…

A: Given  Claim: Episodes after treatment decrease episode before treatment.

Q: n a survey of 1082people, 725 people said they voted in a recent presidential election. Given that…

A: From the provided information, Sample size (n) = 1082 64% of eligible voters actually did vote that…

Q: Part 4. A) In an asymmetric distribution to the right, gives the reason for which the average is…

A: Given that  Population proportion p=35%=0.35 Margin of error =E =3%=0.03

Q: 3) After 12 months of follow-up, you get the results of the study as fo Paralysis No paralysis Total…

A: Paralysis No Paralysis Total MightyMed Group 15 45 60 Placebo Group 25 35 60

Q: About 2% of the population has a particular genetic mutation. 900 people are randomly selected. Find…

A: From the provided information, About 2% of the population has a particular genetic mutation that is…

Q: Determine the range of the following data:   13,32,31,21,24,36,43,67,64,58,62,63,72,83,52,69,81,77

A: Given data(x): 13,32,31,21,24,36,43,67,64,58,62,63,72,83,52,69,81,77

Q: If one randomly selected runner is timed, find the probability that this runner's time will be…

A: It is given that  Mean, μ = 20 Standard deviation, σ = 2.3 Sample size, n = 9

Q: Following a survey of a large group of goalkeepers, it is concluded that a goalkeeper stops the ball…

A:

Q: Assume that population mean is to be estimated from the sample described. Use the sample results to…

A: Givensample size(n)=64Mean(x)=69.0standard deviation(s)=5.0confidence level=95%

Q: The empirical rule states that, for data having a bell-shaped distribution, the percentage of data…

A: The objective is to determine the percentage of data values being within one standard deviation of…

Q: Source Treatments Error Total a = b= C= d= e= df a 20 d SS 2.124 b e MS 0.708 C F 0.75

A: F=MST/MSE

Q: college principal decides to consult the students about a proposed change in the time of lectures.…

A: Given that, x=80-57  =23n=80 Critical value: Using the Excel formula, the critical value at 5% level…

Q: There are 7 male and 3 female students. If the professor is picking 2 students at random…

A: Answer: -  Given,  7 male and 3 female students.                  Total = 7 + 3 = 10 students…

Q: Hannah and Claire each have a chicken coop with 6 hens. Let H represent the total number of eggs the…

A: Given that: Number of eggs 0 1 2 3 4 5 6 P(H) 0.02 0.03 0.07 0.12 0.30 0.28 0.18 P(C) 0.05…

Q: a) A college principal decides to consult the students about a proposed change in the time of…

A: Given that Total student are 80 of which 57 are favoure of change then 23 are not favoure Proportion…

Q: When randomly selecting a card from a deck with replacement, are we equally likely to select a…

A: In a standard deck the card are of type: 1 heart 2 Diamond 3 spade 4 club If a card is…

Q: A random sample of 49 cans of soda is obtained and the contents are measured. The sample mean is…

A: From  given data we have : mean x=12.01 the standard deviation s=0.13 n=49

Q: For fixed a, b E R consider the following 1-dimensional equation b - Yt 1-t dYt = Verify that dt +…

A:

Q: In a random sample of 100 audited estate tax retums, it was determined that the mean amount of…

A: Suppose µ is the true mean amount of additional tax owned for estate tax returns.

Q: 2. The VP for Academic Affairs of the University of Pangasinan wished to understand the distribution…

A: Given that: College Number of students Human sciences, HS 2069 Natural sciences, NS 2565…

Q: QUESTION 4 An IT company employs 16 Computer Engineers, 23 Software Engineers and 22 Network…

A: 16 computer engineers 23 software engineers 22 network engineers ______________________________ 61…

Q: An ROTC officer wanted to measure how many pushups his cadets are able to do in 1 minute in order to…

A:

Q: The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the…

A: From the provided information, Sample size (n) = 250 She would now like to determine whether or not…

Q: What proportion of male growth plates fuse between 16 and 17

A: Given that  μ = 18.5 Years  σ = 16 months = 16/12years=1.33 years.

Q: Suppose the age that children learn to walk is normally distributed with mean 11 months and standard…

A: GivenMean(μ)=11standard deviation(σ)=2.1sample size(n)=33

Q: es (b-2) The coefficient of CompetingAds says that each additional $1,000 of "competitors'…

A:

Q: Courier 2 was used 15 times, and their average delivery time was 36 minutes with a standard…

A: It is given that  For Courier 1: Mean, X̅1 = 43 Standard deviation, s1 = 12 Sample size, n1 = 12 For…

Q: An ROTC officer wanted to measure how many pushups his cadets are able to do in 1 minute in order to…

A: First we arrange the data in ascending order so it would be easy to count the frequency for every…

Q: The data below comprises of the number of hours (X) studied and the exam grade (Y) obtained for 6…

A: Given The data is as follows: X Y(%) 2 73 5 90 1 60 2 80 3 89 3 87