Answered: You toss a fair coin 70 times. What is…

You toss a fair coin 70 times. What is the standard deviation of the expected number of heads? Group of answer choices A. SD = 5.91 B. SD = 35 C. SD = 17.5 D. SD = 4.18

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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Question

You toss a fair coin 70 times. What is the standard deviation of the expected number of heads?

Group of answer choices

A. SD = 5.91

B. SD = 35

C. SD = 17.5

D. SD = 4.18

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