Determining-z scores and p values


Problems:

Z scores and p values

Fill in the answers for each table below. Please report your z scores to two decimals and your p values to three decimals. If the p value is less than .001, please report p < .001.

Problem 1.

         µ = 25        σ = 2

X

z

p(z)

33

 

 

35

 

 

43

 

 

22

 

 

17

 

 

        µ = 25             σ = 5

X

z

p(z)

33

 

 

35

 

 

43

 

 

22

 

 

17

 

 

     µ = 25            σ = 8

X

z

p(z)

33

 

 

35

 

 

43

 

 

22

 

 

17

 

 

Problem 2.

Setting   µ = 60          σ = 7

What is the z score of 78?

What is the z score of 45?

What is the probability of 59?

What is the probability of 62?

What score falls at z = 1.64?

What score falls at z = -1.96?

What percentage of scores are 73 or less?

What proportion of scores is between 45 and 78?

Solution Preview :

Prepared by a verified Expert
Mathematics: Determining-z scores and p values
Reference No:- TGS01939986

Now Priced at $20 (50% Discount)

Recommended (94%)

Rated (4.6/5)