parts of question 7. solve A-E A. Compute P(X = 3) for n = 5, p = 1

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parts of question 7. solve A-E
A. Compute P(X = 3) for n = 5, p = 1
B. Ken is a waiter at a restaurant. His
customers tip 15% or more 80% of the
time. Find the probability that four of the
next six customers will tip 15% or more?
C. Find the z-score if x = 2.65, mean = 0,
σσ
= 1.0.
D. An IQ test has a mean of 100 and
standard deviation of 15. Find what
percentile is someone who scored a 122 on
an IQ score?
E. A normal distribution has a mean of 168
and a standard deviation of 10. Find the
percentage of scores that fall between 155
and 169.
Transcribed Image Text:parts of question 7. solve A-E A. Compute P(X = 3) for n = 5, p = 1 B. Ken is a waiter at a restaurant. His customers tip 15% or more 80% of the time. Find the probability that four of the next six customers will tip 15% or more? C. Find the z-score if x = 2.65, mean = 0, σσ = 1.0. D. An IQ test has a mean of 100 and standard deviation of 15. Find what percentile is someone who scored a 122 on an IQ score? E. A normal distribution has a mean of 168 and a standard deviation of 10. Find the percentage of scores that fall between 155 and 169.
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