section 4.2 homework\nscore: 4/5 answered: 4/5\nquestion 5\na statistician chooses twenty randomly selected…

section 4.2 homework\nscore: 4/5 answered: 4/5\nquestion 5\na statistician chooses twenty randomly selected dates, and when examining the occupancy records of a particular motel for those dates, finds a mean number of rooms rented to be one hundred forty - one and six tenths with a standard deviation of fifteen and forty - two hundredths rooms rented. assume that the number of rooms rented is normally distributed.\ndetermine the size of the sample in the problem above: \nquestion help: video written example message instructor post to forum\nsubmit question

section 4.2 homework\nscore: 4/5 answered: 4/5\nquestion 5\na statistician chooses twenty randomly selected dates, and when examining the occupancy records of a particular motel for those dates, finds a mean number of rooms rented to be one hundred forty - one and six tenths with a standard deviation of fifteen and forty - two hundredths rooms rented. assume that the number of rooms rented is normally distributed.\ndetermine the size of the sample in the problem above: \nquestion help: video written example message instructor post to forum\nsubmit question

Answer

Explanation:

Step1: Identify sample - size definition

The sample size is the number of observations in a sample.

Step2: Find the number of observations

The problem states that a statistician chooses twenty randomly - selected dates. So the number of observations (sample size) is 20.

Answer:

20