A fair coin is flipped 4 times. The probability for the number of heads (x) is given in the table below. Use this table for all parts of this question. x 0 1 2 3 4 P(x) 0.0625 0.25 0.375 0.25 0.0625 a. What is the MEAN for the number of heads? b. What is the STANDARD DEVIATION for the number of heads? c. What is the probability of TWO or THREE heads? d. What is the probability of TWO or MORE heads?
A fair coin is flipped 4 times. The probability for the number of heads (x) is given in the table below. Use this table for all parts of this question. x 0 1 2 3 4 P(x) 0.0625 0.25 0.375 0.25 0.0625 a. What is the MEAN for the number of heads? b. What is the STANDARD DEVIATION for the number of heads? c. What is the probability of TWO or THREE heads? d. What is the probability of TWO or MORE heads?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
Related questions
Question
A fair coin is flipped 4 times. The
x |
0 |
1 |
2 |
3 |
4 |
P(x) |
0.0625 |
0.25 |
0.375 |
0.25 |
0.0625 |
a. What is the
b. What is the STANDARD DEVIATION for the number of heads?
c. What is the probability of TWO or THREE heads?
d. What is the probability of TWO or MORE heads?
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