1,You may need to use the appropriateappendix tableortechnologyto answer this question.

Zis the standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)

P(0.61Z1.41)

2.You may need to use the appropriateappendix tableortechnologyto answer this question.

Zis the standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)

P(0.51Z1.71)

3.You may need to use the appropriateappendix tableortechnologyto answer this question.

Xhas a normal distribution with the given mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

=45,= 20, findP(35X47)

4.You may need to use the appropriateappendix tableortechnologyto answer this question.

SupposeXis a normal random variable with mean=90and standard deviation=8. Findbsuch thatP(90Xb) = 0.3.

(Round your answer to one decimal place.)

b=

5.You may need to use the appropriateappendix tableortechnologyto answer this question.

LSAT test scores are normally distributed with a mean of153and a standard deviation of7. Find the probability that a randomly chosen test-taker will score between132and167. (Round your answer to four decimal places.)