Probability and Statistics

About 13 out of 20 homes have a personal computer.  On a street with 60 homes, how many would you expect to have a personal computer?

Of the 50 fish John caught from the lake, 14 were trout.  The estimated population of the lake is 7,500.  About how many trout would you expect to be in the lake?

Find the Mean of the Data Set:

7, 8, 3, 4, 8

Find the Median in the Data Set:

7, 8, 3, 4, 8

According to the box-and-whisker plot, what was the median number of hot dogs eaten in the hot dog eating contest?

What is the mean?

(a)  

How many people purchased no food and no drink?

How many people like both skateboards & snowmobiles?

The table shows the different types of engineers and the subject they liked most.  What percentage of people surveyed were chemical engineers who preferred math?

Which of the following are the properties of a Normal Probability Distribution.