Find the confidence interval specified. Assume that the popu…

Find the confidence interval specified. Assume that the population is normally distributed.A sociologist develops a test to measure attitudes about public transportation, and 27 randomly selected subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4. Construct the 95% confidence interval for the mean score of all such subjects.

Use the Standard Normal Table to find the probability.The am…

Use the Standard Normal Table to find the probability.The amount of snowfall falling in a certain mountain range is normally distributed with a mean of and a standard deviation of What is the probability that the mean annual snowfall during 25 randomly picked years will exceed

A softball pitcher with an arm length of 88cm starts her del…

A softball pitcher with an arm length of 88cm starts her delivery with her arm directly vertical (straight up) and rotates it in a posterior fashion and she releases the 0.8kg ball at 60 degrees below horizontal anteriorly (straight out in front of her). It takes 0.78 s from the start of delivery until the ball is released. What is her arm’s angular velocity at the point of releasing the softball?

A 97kg football player applies a force to a 65kg sled for a…

A 97kg football player applies a force to a 65kg sled for a total of 8 seconds. The applied force ranged from 0N to 520N and averaged 180N over the time that the force was applied, Based on this information what was the Impulse applied by the football player over the application timeframe?