Probability and Statistics Tsi

Based on the table you completed on #5, which of the following events have a probability that is greater than 0.4? Select all that apply.

(Hints: "OR" implies addition; 0.4 is the same as 0.40)

You toss two dimes 24 times and record the results. Copy and complete the table to show the experimental probability of each outcome. Then choose the correct answer.

Suppose you tossed the dimes 120 times. How many times would you expect an outcome of “tail and tail”?

(Show your math work)

There are 900 students in your school. You ask 150 randomly chosen students how much time they spend doing homework on a typical day. The results are shown. Predict the number of students in your school who, on a typical day, spend an hour? (Show your math work. Use #13 as your guide)

Which math work is helpful to solve for the MEAN of the scores of Student A?

Copy the correct math work and answer on your paper.

Which math work is helpful to solve for the MEDIAN of the scores of Student A?

Copy the correct math work and answer on your paper.

Which math work is helpful to solve for the MODE of the scores of Student A?

Copy the correct math work and answer on your paper.

The test scores of two students are shown. Solve for the mean, median, and mode of Student B.

(Use your math work for Student A as your guide)

The test scores of two students are shown. Based on your computations, which student is performing better? Which statistical measure supports your choice? Select ALL correct answers.

The manager recorded the numbers of bags of potatoes sold at each of two stores over the last month. The box-and-whisker plot shows the summary of the data. Based on the median, which store is selling more potatoes? (Write the median of each store on your paper)