Mathematics, 19.05.2020 18:06 hiji0206
Problem 3 Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 300 feet and a standard deviation of 50 feet. Let X= distance in feet for a fly ball. In each appropriate box you are to enter either a rational number in "p/q" format or a decimal value accurate to the nearest 0.01 . X∼ ( 300 , 50 ) . For a random fly ball, what is the probability that this ball traveled fewer than 220 feet? P(X<220)= 0.05 . The 80th percentile of the distribution of fly balls is given by P(X< 342 )=0.80 .
Answers: 1
Mathematics, 20.06.2019 18:04
Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?
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Mathematics, 21.06.2019 14:00
Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.
Answers: 1
Mathematics, 21.06.2019 15:30
Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.
Answers: 1
Problem 3 Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distr...
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