Decide whether you can use the normal distribution to approximate the binomial d

Question

Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 67% of those who text on cell phones receive spam or unwanted messages. You randomly select 100 adults who text on cell phones. Complete parts (a) through (d).

Determine whether a normal distribution can be used to approximate the binomial distribution. Choose the correct answer below.

A.Yes, because both np greater than or equals 5 and nq greater than or equals 5.

B.No, because np less than<5.

C.No, because nq less than<5.

Explanation / Answer

np = 100(0.67) = 67

nq= 100(0.33) = 33

A is the answer

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