Probability Distribution

Statistics Assignment Library

Solved (Free): If the mean number of cigarettes smoked by pregnant women is 16 and the standard deviation is 8

If the mean number of cigarettes smoked by pregnant women is 16 and the standard deviation is 8, find the…

Solved (Free): A group of students at a school takes a history test. The distribution is normal with a mean of 25, and a standard deviation of 4

A group of students at a school takes a history test. The distribution is normal with a mean of 25,…

Solved (Free): Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 250 feet and a standard deviation of 50 feet

Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of…

Solved (Free): A committee of three people is to be selected at random from a council consisting of five men and three women

A committee of three people is to be selected at random from a council consisting of five men and three…

Solved (Free): As a measure of intelligence, mice are timed when going through a maze to reach a reward of food. The time (in seconds) required for any mouse

As a measure of intelligence, mice are timed when going through a maze to reach a reward of food. The…

Solved (Free): Richard has just been given a ten-question multiple choice test in his history class. Each question has five answers only one of which is correct

Richard has just been given a ten-question multiple choice test in his history class. Each question has five answers only…

Solved (Free): A certain industrial process is brought down for recalibration whenever the quality of the items produced falls below specifications

A certain industrial process is brought down for recalibration whenever the quality of the items produced falls below specifications. Let…

Solved (Free): Among companies doing highway or bridge construction, 80% test employees for substance abuse

Among companies doing highway or bridge construction, 80% test employees for substance abuse (based on data from the Construction Financial…

Solved (Free): Mimi just started her tennis class three weeks ago. On average, she is able to return 20% of her opponent’s serves

Mimi just started her tennis class three weeks ago. On average, she is able to return 20% of her opponent's…

Solved (Free): A total of 16 mice are sent down a maze, one by one. From previous experience, it is believed that

A total of 16 mice are sent down a maze, one by one. From previous experience, it is believed that…