Question: 1) If there are 150 values in a data set, how many classes should be created for a frequency histogram? A.5 B.6 C.7 D.8 E.9

1) If there are 150 values in a data set, how many classes should be created for a frequency histogram?

A.5

B.6

C.7

D.8

E.9

2) .If x is a binomial random variable where n = 100 and p = 0.2, find the probability that x is less than or equal to 15 using the normal approximation t

o the binomial.

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