7) Consider a binomial experiment with n = 6 trials

where the probability of success on a single trial is p = 0.15.

(Round your answers to three decimal places.)

(a) Find P(r = 0).

(b) Find P(r 1)

by using the complement rule.

25) Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)

P(z 1.41) =

26)Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)

P(1.23 z 2.74)

=

27) Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)

P(2.19 z 0.31) =

30) Find z such that 5.3% of the standard normal curve lies to the right of z. (Round your answer to two decimal places.)

z=