Probability and Two-Way Tables

Question 1

Find P(Y|B) from the information in the table.

Revolt · Accepted Answer

0.4

Question 2

For the soccer banquet, the players and their family members selected their favorite main dish and side dish. Of the 39 people who chose chicken as the main dish, 18 wanted potatoes. Of the 32 people who chose rice as a side dish, 6 chose fish as a main dish. A total of 8 people chose a vegetarian meal with potatoes, and a total of 10 people chose fish as their main dish.

Revolt · Accepted Answer

A 5-column table has 3 rows. The first column has entries Rice, Potatoes, Total. The second column is labeled Chicken with entries 21, 18, 39. The third column is labeled Fish with entries 6, 4, 10. The fourth column is labeled Vegetarian with entries 5, 8, 13. The fifth column is labeled total with entries 32, 30, 62.

Question 3

Information about the students at Jackson High School is shown in the table.

Revolt · Accepted Answer

Out of the 352 eleventh graders at the school, 173 of them are girls.

Question 4

Mr. Carandang sold a total of 1,790 prints of one of his drawings. Out of all 1,273 unframed prints that he sold, 152 were small and 544 were medium-sized. Out of all of the framed prints that he sold, 23 were small and 42 were extra large. Of the large prints that he sold, 188 were framed and 496 were unframed. SmallMediumLargeExtra LargeTotalFramed 23 264 188 42 ?Unframed 152 544 496 81 1,273Total 175 808 684 123 1,790

Revolt · Accepted Answer

517

Question 5

Which statements are true? Select three options.

Revolt · Accepted Answer

Milk was requested for 16 of the large-sized meal orders.; Sixty-three of the orders of soda came with a regular-sized meal.; A total of 124 large-sized meals were ordered.

Question 6

Information about the recycling drive at school is shown in the table. Let A be the event that the item pulled out of the recycling bin is a plastic bottle, and let B be the event that a tenth grader recycled that item.

Revolt · Accepted Answer

A and B are not independent events because P(A∣B) ≠ P(A).

Question 7

The two-way table shows the number of houses on the market in the Castillos’ price range.What is the probability that a randomly selected house with 2 bathrooms has 3 bedrooms?

Revolt · Accepted Answer

0.8

Question 8

Find P(Y|B) from the information in the table.

Question 9

For the soccer banquet, the players and their family members selected their favorite main dish and side dish. Of the 39 people who chose chicken as the main dish, 18 wanted potatoes. Of the 32 people who chose rice as a side dish, 6 chose fish as a main dish. A total of 8 people chose a vegetarian meal with potatoes, and a total of 10 people chose fish as their main dish.

Question 10

The two-way table shows the preferred vacation destination for people in different age groups.Which statement is true?

Probability and Two-Way Tables Answers

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