Question: I've literally tried everything with these problems! Can someone please help me!? Blood type AB is found in only 3% of the population. If235people are

I've literally tried everything with these problems! Can someone please help me!?

Blood type AB is found in only 3% of the population. If235people are chosen at random, find the probability of the following. (Use the normal approximation. Round your answers to four decimal places.)

(a) 5 or more will have this blood type

(b) between 5 and 10 will have this blood type

Given thatxis a normal variable with mean=43and standard deviation=6.1, find the following probabilities. (Round your answers to four decimal places.)(a)P(x60) (b)P(x50) (c)P(50x60)

According toHarper's Index,55%of all federal inmates are serving time for drug dealing. A random sample of18federal inmates is selected.

(a) What is the probability that11or more are serving time for drug dealing? (Use 3 decimal places.) (b) What is the probability that3or fewer are serving time for drug dealing? (Use 3 decimal places.) (c) What is the expected number of inmates serving time for drug dealing? (Use 1 decimal place.)

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