STAAR TEST Quiz 1

Tommy is a high school student. He went to the local university during registration to track what major most incoming freshmen choose. These are the results for the first 100 students.

• Students will either choose engineering or business.

• Students are two times more likely to choose business than pre-med.

• Students are two times more likely to choose education than business.

• None of the above

Janette owns a general store. She kept track of the different colored mugs the customers bought. These are the results:

• Customers are half times more likely to choose red than green.

• Customers will either choose blue or orange.

• Customers are as likely to choose red than orange or blue.

• None of the above

Jane has two boxes. Box one has the letters A, P, A, R, T, M, E, N, T, S. Box two has the letters E, L, E, M, E, N, T, A, R, Y. Which of the following is true?

• The probability of randomly choosing an "E" from both bags is the same.

• The probability of randomly choosing a vowel from bag 1 is greater than bag 2.

• The probability of randomly choosing a vowel from bag 2 is less likely than bag 1.

• The probability of randomly choosing a "T" from bag 1 is greater than bag 2.

Students constructed a project in which they surveyed 30 people at the mall and asked for their favorite type of food. The following list shows the results: - 5 people, Italian food - 8 people, American food - 11 people, Mexican food - 6 people, Chinese food Based on the results above, if the students surveyed 240 people, which of the following is the best prediction?

• One hundred and four people will choose Italian or American as their favorite food.

• Ninety-two people will choose Mexican food as their favorite.

• Forty more people will choose Chinese than Italian food as their favorite.

• Fifty-six people will choose American food as their favorite.

Mrs. Jackson has 3 baskets with fruit. Each basket has 12 apples in addition to the fruit in the table below. Basket A: 8 bananas Basket B: 6 pears Basket C: 2 oranges Which of the following statements is true?

• The probability of randomly selecting an apple from basket A is higher than the probability of randomly selecting an apple from basket B.

• The probability of randomly selecting a pear from basket B is 1/2.

• The probability of randomly selecting an apple from basket C is greater than the probability of randomly selecting a banana from basket A.

• The probability of randomly selecting an apple from basket A is 2/3.

A high school’s 9th grade class has six classes with 40 students in each. Mrs. Moore counted the number of boys and girls by selecting one of the classes at random. She found 12 boys and 28 girls. Which statement about the total number of 9th graders in the rest of the classes best represents this situation?

• Mrs. Moore can expect between 60 and 72 girls.

• Mrs. Moore can expect at least 80 boys.

• Mrs. Moore can expect no more than 100 girls.

• Mrs. Moore can expect between 140 and 170 girls.

Mr. Martinez has two different standard dice. One is blue and the other is red. Mr. Martinez threw each one several times with the results shown below. Based on these results, if Mr. Martinez throws each dice 100 times, which of the following can be the best prediction? REFER TO THE TABLES IN YOUR PAPER.

• The number 2 on the blue dice will land eight more times than on the red dice.

• The number 1 on the blue dice will land four more times than on the red dice.

• The number 6 on the blue dice will land ten more times than on the red dice.

• The number 5 on the red dice will land six more times than on the blue dice.

Harper tallied the number of pieces of bread she sold for one hour at the bakery. She organized the information on the list that follows. 9 french bread, 5 rolls, 8 croissants, and 2 pretzels. Based on the results, which of the following is the best prediction if Harper works 8 hours?

• Harper will sell 40 more rolls than croissants in eight hours.

• Harper will sell 32 more French pieces of bread than rolls in eight hours.

• Harper will sell 24 less pretzels than croissants in eight hours.

• Harper will sell at least 200 total bread in eight hours.

Ava recorded the amount of people who bought different genres at a local bookstore. The table below shows the results for a one-hour experiment. Based on these results, which of the following statements can be correct if she will conduct the same experiment in 4 hours?

• The number of customers who preferred nonfiction is eight more than the number of customers who preferred mystery.

• The number of customers who preferred science fiction is 16 times the number of customers who preferred romance.

• The number of customers who preferred Mystery or Romance is equal to the number of customers who preferred nonfiction.

• The difference of the number of customers who preferred science fiction and romance is four.

At the cinema, Julia counted 30 rows with 25 people in each row. Julia chose a random row and counted 8 children. How many children can Julia expect she will find in the remaining rows?

• Julia can expect between 200 and 230 children.

• Julia can expect at least 250 children.

• Julia can expect no more than 240 children.

• Julia can expect 750 children.