4. We open 20 bag of M&Ms and find the following number of orange M&Ms. Tester 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Number of 24 22 28 18 20 19 31 25 27 24 22 28 30 20 19 25 28 27 26 21 Orange a) Find the point estimate for the average number of orange M&Ms in a bag. b) Find the sample standard deviation for the number of orange M&Ms in a bag. c) For this set of data are we going to be using a z-interval or a t-interval? (Hint: is the population standard deviation given?)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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4.
We open 20 bag of M&Ms and find the following number of orange M&Ms.
Tester 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Number of 24 22 28 18 20 19 31 25 27 24 22 28 30 20 19 25 28 27 26 21
Orange
a) Find the point estimate for the average number of orange M&Ms in a bag.
b) Find the sample standard deviation for the number of orange M&Ms in a bag.
c) For this set of data are we going to be using a z-interval or a t-interval? (Hint: is the population
standard deviation given?)
Transcribed Image Text:4. We open 20 bag of M&Ms and find the following number of orange M&Ms. Tester 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Number of 24 22 28 18 20 19 31 25 27 24 22 28 30 20 19 25 28 27 26 21 Orange a) Find the point estimate for the average number of orange M&Ms in a bag. b) Find the sample standard deviation for the number of orange M&Ms in a bag. c) For this set of data are we going to be using a z-interval or a t-interval? (Hint: is the population standard deviation given?)
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