The playlist consists of 21 songs by the working mamas, 12 songs
by chef mo cheese, 36 songs by the snippers, 54 by lucy and
the jungle cats, and 27 by nuestra paradise.
what's the probability of chef mo cheese playing?
write the answer as a percent.
artist.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

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