STAAR 7th grade math Category 1 Review

At a movie theater, several people were randomly selected and surveyed about the length of the movie they just watched. The results are shown in the table.

Based on the data in the table, what is the experimental probability that the next person surveyed at the movie theater would have preferred the movie to be shorter?

• 9/25

• 21/50

• 16/25

• 11/50

Which Venn diagram best represents the relationship among integers, rational numbers, and whole numbers?

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The numbers of items purchased by 150 randomly selected customers at a clothing store are shown in the table.

Based on this information, how many of the next 200 customers should be expected to purchase 2 or fewer items?

• 140

• 80

• 105

• 60

At a store, the first 100 customers each randomly choose a coupon from a box, use the coupon, and then replace it. The table shows the number of coupons of each value that are in the box.

 

What is a reasonable prediction for the number of times an $8 coupon or a $10 coupon will be chosen from the box?

• 18

• 34

• 67

• 33

A teacher has a bin that contains 15 basketballs, 9 soccer balls, and 6 volleyballs. The teacher randomly selects a ball from the bin to give to a student.

Complete the statement about the randomly selected ball.

The probability that the teacher selects a volleyball is:

• 3/10

• 7/10

• 1/5

• 2/3

Each card in a set of cards has one of four shapes on it. The table shows the number of times a card with each shape was selected during a game.

 

In the next game, 100 cards will be selected. Based on the information in the table, what is the number of times the selected card can be expected to have a square on it?

A florist asked 250 customers about their favorite flower. The results of the survey are shown in the table.

 

Based on the results in the table, which statement about the next customer is true?

• The customer is equally likely to prefer a rose as to prefer any other flower.

• The customer is twice as likely to prefer a daisy as to prefer a lily.

• The customer is equally likely to prefer a daisy as to prefer a lily or a tulip.

• The customer is twice as likely to prefer a rose as to prefer a lily or a tulip.

Amarrisa recorded the results of spinning a board game spinner 100 times. The outcomes are shown in the table.

Based on the information in the table, which outcomes should be expected for the next 300 spins?

Select TWO correct answers.

• The spinner will land on red 12 times.

• The spinner will land on pink 24 times.

• The spinner will land on orange 30 times.

• The spinner will land on blue 48 times.

• The spinner will land on yellow 22 times.

A bagel shop has a bin of assorted bagels. The bin contains 10 wheat, 6 plain, 5 onion, and 9 blueberry bagels. José selects a bagel at random from the bin.

Which statement is true?

• The probability that Jose selects a plain bagel is 1/6.

• The probability that Jose selects a blueberry bagel is 3/7.

• The probability that Jose selects a wheat or plain bagel is 1/2.

• The probability that Jose selects a plain or blueberry bagel is 1/2.

Jacques has a container of fruit slices. The table shows the number of each type of fruit slice in the container.

Jacques randomly selects one fruit slice from the container. Which statement is best supported by the information in the table?

• Selecting a lime slice is more than twice as likely as selecting an orange slice.

• Selecting a lemon slice is more than twice as likely as selecting a grapefruit slice.

• Selecting a grapefruit or orange slice is more likely than selecting a lime slice.

• Selecting a lemon slice is more likely than selecting a grapefruit or orange slice.