1)Consider a standard normal random variable with = 0 and a standard deviation = 1. Use table 3 to find the following

P (Z

P (Z > 1.32)

P (-2.72

P (Z

2)Find these probabilities associated with the standard normal random variable Z:

P (Z > 2.54)

P (-3.2

P (Z

P (Z > 2.88)

P (Z > 3.15)

3)Calculate the area under the standard normal curve to the left of these

Z = 1.81

Z = 0.66

Z = 1.47

Z = 2.76

4)Calculate the area under the curve between these

Z = -2.4 y Z = 2.4

Z = -3.1 y Z = 3.1

Z = -1.93 y Z = 1.93

Z = -2.26 y Z = 2.26

Z = -3.33 y Z = 3.33

5)Calculate the area under the curve to the left of these

Z = -.77

Z = 2.50

Z = 2.71

Z = 3.22

Z = -2.48

6)A normal random variable has an unknown mean and a standard deviation = 2. If the probability that x exceeds 6.5 is .9732; find .

7)A standard normal random variable has = 0 and a standard deviation = 1. Use table 3 to find the probability less than -2.73.

8)A standard normal random variable has = 0 and a standard deviation = 1. Use table 3 to find the probability greater than 3.28.

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