Mathematics, 03.02.2020 00:51 elijiahman99
The table below shows the movie preferences of high school and college students:
movie preference
actiondramacomedyrow totals
high school 40 23 12 75
college 20 51 28 99
column totals 60 74 40 174
julie mistakenly calculated the conditional relative frequency for college students who like comedy as being 70%. what did julie actually calculate, and what is the correct answer?
Answers: 3
Mathematics, 21.06.2019 19:00
Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?
Answers: 3
Mathematics, 21.06.2019 21:00
Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?
Answers: 2
Mathematics, 21.06.2019 22:50
Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
Answers: 3
The table below shows the movie preferences of high school and college students:
movie...
movie...
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