Question

In: Statistics and Probability

.According to a recent random sample of 31 Canadian Football League players, the mean age was...

.According to a recent random sample of 31 Canadian Football League players, the mean age was approximately 27.71 years with a variance of 2.59. Lonnie Lobowsky of the Yukon Argonauts has an age with z-score equivalent to 2.21. Determine his age.

A. 31

B. 37

C. 33

D. 35

E. 28

Solutions

Expert Solution

Solution :

Given that,

mean =   = 27.71

standard deviation = = 2.59 = 1.61

n = 31

= = 27.71

= / n = 1.61 / 31 = 0.29

z = 2.21

Using z-score formula  

= z * +

= 2.21 * 0.29 + 27.31

= 27.95

= 28

option E

orchestra answered 2 years ago
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