Question

Question 1:

A randomly selected subject is given a bone density test. These test scores are normally distributed with a mean of 0 and a standard deviation of 1. Find the probability of the given scores:

a) Less than -2.04

b) Less than -0.19

c) Less than 2.33

d) Less than 1.96

e) Greater than -1.50

f) Greater than 0.82

g) Greater than 1.82

h) Between 0.25 and 1.25

i) Between -2.75 and -2.00

Answer 1

Using standard normal table,

(a)

0.0207

(b)

0.4247

(c)

0.9901

(d)

0.975

(e)

0.9332

(f)

0.2061

(g)

0.0344

(h)

0.2956

(i)

0.0198