Unit7alg two questions! will mark brainliest asap a librarian wants to have an employee reading contest. she asks her employees to volunteer to read as many books as possible in one week. which sentences explain how randomization is not applied in this situation? select each correct answer. more than one answer the librarian is only observing her employees. the librarian cannot manipulate the sample or the length of the books. there is no selection process. the librarian can select those who participate. there is no control over who volunteers. a city's soccer coaches conducted a survey of 50 city soccer players. these players were chosen at random from the city's soccer teams' rosters. participants were asked the question, "do you prefer to drink water or a sports drink after playing in a soccer game? " a report of the survey results stated that the soccer players in that city preferred to drink water instead of a sports drink after a game. select all statements that correctly evaluate the report of the survey results. more than one answer the question is biased towards a response of preferring to drink a sports drink after a game. the sample is biased because it does not represent the population. the sample is not biased. the question is not biased. the question is biased towards a response of preferring to drink water after a game.

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

Listed below are time intervals (min) between eruptions of a geyser. assume that the "recent" times are within the past few years, the "past" times are from around 20 years ago, and that the two samples are independent simple random samples selected from normally distributed populations. do not assume that the population standard deviations are equal. does it appear that the mean time interval has changed? is the conclusion affected by whether the significance level is 0.10 or 0.01? recent 78 90 90 79 57 101 62 87 71 87 81 84 57 80 74 103 62 past 88 89 93 94 65 85 85 92 87 91 89 91 follow the steps of hypothesis testing, including identifying the alternative and null hypothesis, calculating the test statistic, finding the p-value, and making a conclusions about the null hypothesis and a final conclusion that addresses the original claim. use a significance level of 0.10. is the conclusion affected by whether the significance level is 0.10 or 0.01? answer choices below: a) yes, the conclusion is affected by the significance level because h0 is rejected when the significance level is 0.01 but is not rejected when the significance level is 0.10. b) no, the conclusion is not affected by the significance level because h0 is not rejected regardless of whether a significance level of 0.10 or 0.01 is used. c) yes, the conclusion is affected by the significance level because h0 is rejected when the significance level is 0.10 but is not rejected when the significance level is 0.01. d) no, the conclusion is not affected by the significance level because h0 is rejected regardless of whether a significance level of 0.10 or 0.01 is used.

When a 757 passenger jet begins its descent to the ronald reagan national airport in washington, d.c., it is 3900 feet from the ground. its angle of descent is 6 degrees. how far must the plane fly to reach the run way? a. 37,106 ft b. 37,310.4 ft c. 23,456.6 ft d 2,492.7 ft