Question
In: Statistics and Probability
A sample of size 25 will be drawn from a population with mean 34 and standard...
A sample of size 25 will be drawn from a population with mean 34 and standard deviation 8. Find the probability that x− will be greater than 36.
Solutions
Expert Solution
Solution :
mean = 
= 34
standard deviation = 
= 8
n = 25
=
= 34
=
/ 
n = 8/
25 = 1.6
P(
>36) = 1 - P(
< 36 )
= 1 - P[(
-
) /
< (36 -34) / 1.6]
= 1 - P(z < 1.25 )
= 1 - 0.8944 = 0.1056
Probability =0.1056
orchestra answered 2 years agoRelated Solutions
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