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True/False

a) The actual weight of hamburger patties is an ex of a continuous random variable.

b) The number of defective pencils in a lot of 1000 is an ex of a continuous random variable.

c) For a continuous distribution, P(X ≤ 100) = P(X<100).

d) All continuous random variables are normally distributed.

e) The mean of a standard normal distribution is always equal to 1.

f) For a binomial possibility experiment, with n=150 and p=.2, it is suitable to use the normal approximation to the binomial distribution.

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