Mathematics, 24.03.2020 16:57 datands
The mean number of words per minute (WPM) read by sixth graders is 97 with a standard deviation of 19 WPM. If 75 sixth graders are randomly selected, what is the probability that the sample mean would be greater than 101.63 WPM? Round your answer to four decimal places.
Answers: 3
Mathematics, 22.06.2019 01:00
What is the value of x? assume that the line is tangent to the circle.
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Mathematics, 22.06.2019 03:50
Amovie producer conducted a survey after the screening of his movie to find out how the film would be received by viewers from different age groups. the columns in the two-way table indicate the numbers of viewers who rated the film on a four-point scale: excellent, good, average, and poor. viewer's age group excellent good average poor marginal totals 16-25 52 42 12 7 113 26-35 33 50 5 9 97 36-45 58 12 28 34 132 which of these observations is supported by the data in the table? note: a rating of good or excellent means the audience liked the movie, while a rating of poor means the audience disliked the movie. a. the majority of the audience in the 26-35 age group disliked the movie. b. among those who liked the movie, the majority were in the oldest age group. c. among those who disliked the movie, the majority were in the 26-35 age group. d. the majority of the audience in the 16-25 age group liked the movie. e. the majority of the audience from all the age groups disliked the movie
Answers: 3
Mathematics, 22.06.2019 06:30
Gas is being pumped into a tank the total amount of gas g after amount of time t is given by the equation g= 50+20t if the total amount of gas that will fit into tank is 850 gallons how much time will take to fill the tank
Answers: 1
Mathematics, 22.06.2019 07:30
Which statements accurately describe the function f(x) = 3(16)3/4? check all that apply.
Answers: 2
The mean number of words per minute (WPM) read by sixth graders is 97 with a standard deviation of 1...
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