Find the following probabilities for the standard normal random variable z.
P(z> 1.25) b. P(z< – 1.29) c P(0.51 = z = 2.28) d. P(-2.71 < z < 1.50)
Note : (round to four decimal places as needed)
Find the area under the standard normal probability distribution between the following pairs of z- scores. (Round to four decimal places as needed.)
z= 0 and z = 3.00 The area under the standard normal probability distribution is?
z =0 and z = 1.00
z = 0 and z = 2.00
z =0 and z = 0.58
Find the following probability for the standard normal random variable z. (Round to four decimal places as needed.)
P(-0.5 = z = 0.5)
Suppose x is a normally distributed random variable with µ = 14 and s = 2 Find each of the following probabilities. (Round to four decimal places as needed.)
a. P(x = 17.5 )b. P(x = 13) c. P( 14.6 = x =19.52) d. P(8.58 = x = 16.5)