Mathematics, 18.07.2021 01:40, saintsfan2004
PLEASE HELP! I don't know how to find the sample mean in this example because there is no data set. A random sample of 45 Hollywood movies made since 2010 is 130.5 minutes with a sample standard deviation of 13.8 minutes. Construct a 95% confidence interval for the true population mean length of all Hollywood movies since 2010. what is the sample mean?
Answers: 3
Mathematics, 21.06.2019 23:00, serenityburke
The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?
Answers: 1
Mathematics, 21.06.2019 23:30, tyresharichardson29
Ahighway between points a and b has been closed for repairs. an alternative route between there two locations is to travel between a and c and then from c to b what is the value of y and what is the total distance from a to c to b?
Answers: 1
PLEASE HELP! I don't know how to find the sample mean in this example because there is no data set....
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