Answered: 1. What is the expected number of bags…

Math

Probability

1. What is the expected number of bags of chips that Beth will buy? Answer choices: 50 N 00 6 7 8

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter7: Applying Fractions

Section7.1: Ratios

Problem 21WE

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Question

For questions 1 - 2, use the described binomial probability distribution to calculate the mean (expected value) and the standard deviation. Beth is having a party. She is having a hard time choosing what kinds of chips to buy. She decides to walk down the aisle at the supermarket and roll a number cube at each bag of chips. If she rolls a 3, she will buy the bag of chips; if she rolls any other number, she will not buy the bag. There are 30 different kinds of chips in the store.