Mathematics, 24.02.2021 02:10 cristabean87
Every year, Helen and her sister attend 'The Nutcracker' at the Newton Ballet. Last year, orchestra seating cost $90 per ticket. This year, each ticket was 10% cheaper. What was the cost of each ticket this year?
Answers: 3
Mathematics, 22.06.2019 03:40
Assume that females have pulse rates that are normally distributed with a mean of mu equals 72.0 beats per minute and a standard deviation of sigma equals 12.5 beats per minute. complete parts (a) through (c) below. a. if 1 adult female is randomly selected, find the probability that her pulse rate is between 65 beats per minute and 79 beats per minute. the probability is? b. if 16 adult females are randomly selected, find the probability that they have pulse rates with a mean between 65 beats per minute and 79 beats per minute. the probability is? c. why can the normal distribution be used in part (b), even though the sample size does not exceed 30?
Answers: 3
Mathematics, 22.06.2019 05:30
Aletter in the word electric is chosen at random. complete each sentence. there are possible outcomes. the theoretical probability that a vowel will not be chosen is the ratio . the theoretical probability that the letter n will be chosen is .
Answers: 2
Mathematics, 22.06.2019 06:00
The change in water level of a lake is modeled by a polynomial function, w(x). described how to find the x-intercepts of w(x) and how to construct a rough graph of w(x) so that the parks department can predict when there will be no chage in the water level. you may create a sample polynomial of degree 3 or higher to use in your explanations.
Answers: 1
Every year, Helen and her sister attend 'The Nutcracker' at the Newton Ballet. Last year, orchestra...
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