Wednesday

October 1, 2014

October 1, 2014

Posted by **Lyndyc** on Thursday, December 5, 2013 at 8:16pm.

a. 0.6915

b. 0.3085

c. 0.1915

d. 0.3830

- Statistics -
**Kuai**, Thursday, December 5, 2013 at 8:30pmz = (90-100)/20 = -.5

z table = 0.3085

z = (110-100)/20 = .5

z table = 0.6915

0.6915-0.3085 = 0.3830

D

**Answer this Question**

**Related Questions**

statistics - A normal distribution has a mean of µ = 100 with standard deviation...

statistics - True or False If one score is randomly selected from a normal ...

statistics - A normal distribution has a mean of 100 and standard deviation of ...

algebra - A normal distribution has a mean of 98 and a standard deviation of 6. ...

AP Statistics - Sampling Distribution Help - The composite scores of students on...

AP Statistics - sampling distribution help - The composite scores of students on...

Math - A normal distribution has a mean of 20 and a standard deviation of 3.What...

Statistics - The Wechsler Adult Intelligence Scale (WAIS) is a common "IQ test" ...

Statistics - Suppose that the probability distribution of a random variable x ...

statistics - Assume a binomial probability distribution has p = .60 and n = 200...