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- Suppose you are shopping online for a new toy for your dog. As you look at the product reviews, you see the following distribution of ratings. Use this table for questions 2-5. Stars 5 4 3 st 2 IN 1 Frequency 9 3 2 1 5ll by adding 5 to each of the numbers in the set 3.6 117 7 1 we obtain the set 8, 116, 12, 10 Show that the two sets have the standard deviation Same deviation but different means How are the mean related ?please give answer for 10, 11, and 12
- asnwer for 2.themepans i max Task 3: During the last 10 years, a corporation's net profit increased year over year 6 times and decreased year over babive969 with characteristicsmber of annual earnings increases for the next 10 years is modelled in 4 times. Assume that the accordance with quote of the binomial distribution. Estimate the probability that the corporation's net profit will increase in exactly 4 of the next 10 years. tot twee monteutimut ethomi smo bsd-.2.U A :clesT Diswiot brs toqe ert tuods noitsmotnleysb 08 ni utimut to insmqinle 6 101 000,000,83 vsqof ever lliw 2.0 woled nevig ai 29161 (AU3 8.0 ataoo 020) 008.0 02U AU3 eer.o 020 A03 9161 toqe tre etsi biswiot ysb-08Fiting a straight ine to a set of data yields the following predicion line. Complete (a) through (e) below a. Interpret the meaning of the Yintercept, Choose the correct anower below O A. The Yintercept, be =4, imples that the average value of Yis 4. OB. The Yintercept, b7, implies that when the value of Xs0, the mean value of Yis 7 OC. The Yantercept, by4, implies that tor each increase of 1 unt in X, the value ofYa expected to increase by 4 unts •D. The Yintercept, 4, implies that when the value of Xis 0, the mean value of Y is 4 b. Interpret the meaning of the slope, b Choose the comect answer below OA The slope, by4, implies that for each increase of 1 unit in X, the value of Yis expected to increase by 4 units OB. The slope, by =7, implies that the average value of Y is 7. O C. The slope, b,=7, imples that for each increase of 1 unit in X, the value of Y is expected to increase by 7 units %3D OD. The slope, b,7, implies that for each increase of 1 unit in X, the value of Yis…
- 24 John works in an appliance store. His sales commission depends on the number of units sold per period, and the overall average price of all units sold. The following is a report of his sales effort in a given month. The report shows the price and the percent of total units sold at that price. Percent of total units Item Price sold A $1,640 10% B 1270 25% C 860 35% D 460 20% E 200 10% The overall mean price of all items sold is, a $930.64 b $912.39 c $894.50 d $876.96What is the median of the distribution?aaaaaa A soft drink machine outputs a mean of 27 ounces per cup. The machine's output is normally distributed with a standard deviation of 3 ounces. What is the probability of filling a cup between 21 and 30 ounces? Round your answer to four decimal places.
- The following table shows the results of a survey conducted by Impulse Research for the Downtown Cookie Company. In the survey, 1050 adults were asked to identify their favorite cookie. a. b. Favorite Cookie Chocolate chip Peanut butter Oatmeal Sugar/shortbread Other Total Frequency 483 231 147 126 63 1050 Determine the probability distribution. What is the probability of selecting a person whose favorite cookie was chocolate chip? C. What is the probability of selecting a person whose favorite cookie was not chocolate chip? d. What is the probability of selecting a person whose favorite cookie was chocolate chip or a person whose favorite cookie was peanut butter?Suppose that the distribution of Uber rides around the quoted arrival time is normally distributed. Themean waiting time (relative to the quoted time) is 0, with a standard deviation of 3 minutes.a. Using the empirical rule, what percentage of rides arrive within 3 minutes of the mean (3 minutesbefore to 3 minutes after)?b. Graphically depict the area that would need to be calculated to determine the probability ofwaiting more than 4 minutes for a ride. Explain your graph.Q. 2. Explain why there must be mistake in the following statement: "A quality control engineer claims that the probability that a large consignmen of glass bricks contians 0, 1, 2, 3, 4 or 5 defectives are 0-11%; 0-23, 0-37, 0-26, 0-009 and 0-05 respectively".