Mathematics, 30.03.2020 17:37 emwemily
Slices of pizza for a certain brand of pizza have a mass that is approximately normally distributed with a mean of 67.7 grams and a standard deviation of 2.28 grams. Round answers to three decimal places. a) For samples of size 20 pizza slices, what is the standard deviation for the sampling distribution of the sample mean? b) What is the probability of finding a random slice of pizza with a mass of less than 67.2 grams? c) What is the probability of finding a 20 random slices of pizza with a mean mass of less than 67.2 grams? d) What sample mean (for a sample of size 20) would represent the bottom 15% (the 15th percentile)? grams
Answers: 2
Mathematics, 21.06.2019 16:30
What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi
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Mathematics, 21.06.2019 17:30
Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle
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