Probability and Discount Quiz

Based on a weather report, the probability that it will rain tomorrow is 0.13. Which word describes the likelihood that it will rain tomorrow?

• certain

• impossible

• likely

• unlikely

Two stores each advertise a discount on the same type of watch. At both stores, the original price of the watch was $35.00. - Store A discounts the price of the watch by 20%. - Store B discounts the price of the watch by 15%. How much less is the discounted price of the watch at Store A than the discounted price of the watch at Store B?

• $1.75

• $5.00

• $5.25

• $7.00

Based on the results, what is the experimental probability that on any one spin, the arrow will land on the red section?

• 1/15

• 1/5

• 3/7

• 3/10

Which expression is equivalent to −3(2x − 8) + 4x?

• −2x − 8

• −2x + 24

• −10x − 8

• −10x + 24

The data set shown below represents the distribution of daily high temperatures in a city for 8 days. 79, 73, 72, 70, 72, 66, 81, 75 What is the median daily high temperature, in degrees Fahrenheit, in the city?

• 71

• 72.5

• 73

• 73.5

The menu at an ice cream store is shown below. How many different choices of one size, one flavor, and one topping can be made from the menu?

• 3

• 9

• 18

• 27

The cost for 10 ounces of organic blueberries is $2.70. Which equation can be used to determine x, the cost, in dollars, for 30 ounces of organic blueberries?

• \( \frac{10}{2.7} = \frac{x}{30} \)

• \( \frac{2.7}{10} = \frac{30}{x} \)

• \( \frac{10}{2.7} = \frac{30}{x} \)

• \( \frac{2.7}{30} = \frac{x}{10} \)

Which expression has the same value as the expression shown below? ( 3/8 - 7/8 )

• ( 3/8 + 7/8 )

• ( 3/8 - 7/8 )

• ( 3/8 + ( -7/8 ) )

• ( 3/8 + ( +( -7/8 ) ) )

A chef made 150 cups of chili and sold 60% of it. A serving size of the chili is 1 2/3 cups. How many servings of chili were sold?

• 36

• 54

• 90

• 100

At sunset, a thermometer had a reading of 4°F. During the night, the temperature decreased 15°F. After the decrease, what is the total number of degrees that the temperature must change for the thermometer to read 0°F?

• 4°F

• 11°F

• 15°F

• 19°F