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Posted: **Thu May 05, 2022 6:44 pm**

: Blyke Gets 45 On His Statistics Finals Where The Mean Of His Class Is 40 And The Standard Deviation Is 5 Determine His 1 (284.85 KiB) Viewed 37 times

Blyke gets 45 on his statistics finals where the mean of his class is 40 and the standard deviation is 5. Determine his z-score. Five light bulbs are chosen at random from 20 bulbs of which 7 are defective. Find the probability that exactly one is defective.