Mathematics, 15.11.2019 05:31 smelcher3900
Arandom sample of 25 statistics examinations was selected. the average score in the sample was 76 with a variance of 144. assuming the scores are normally distributed, the 99% confidence interval for the population average examination score is a. 70.02 to 81.98 b. 69.82 to 82.18 c. 69.29 to 82.71 d. 70.06 to 81.94
Answers: 1
Mathematics, 21.06.2019 19:40, spiritcampbell56
What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1
Answers: 2
Mathematics, 21.06.2019 21:30, BakerElsie02
Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?
Answers: 3
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