Joseph buys gum from a gumball machine. The colors are: green, yellow, blue, black, red and white. He buys 84 gumballs. Theoretically, about how many gumballs of each color can he expect to get?
He will receive about 14 gumballs of each color.
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15
Shante' tossed a fair coin 10 times. The computer generated 200 tosses. The results are shown. For each set compare the Experimental and Theoretical probabilities. Whose results were closer to the Theoretical probability? Why?
The computer is closer. Fair coin probability is P(H)=50% and :(T)50%.
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15
Belinda tossed 52 pennies into the air. What is the best prediction of how many coins landed tails up? 52, 36, 32, 26, 13.
26
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15
A recent student survey revealed 21 out of 30 students prefer swimming over their summer break. If the school has a population of 1200, how may do you predict may enjoy swimming over the summer? 84, 840, 360, 80
840
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15
Students played a game matching math facts. The one with the greatest number of matches wins. Out of the cards left, what is the probability the answer will be greater than 50? Write your answer as a percent.
20%
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15
Mr. Daniels will wear his tuxedo to the fundraiser. He has two shirts: plain and ruffled. He has three bowties: red, green, blue. Which diagram shows every possible combination for his tux?
C
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15
A bag contains marbles: 4 red, 6, orange, 10 black, 3 yellow. If a marble is drawn at random, what is the probability it will be either orange or yellow? 9/14, 4/23, 9/23, 14/23
9/23
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15
A bag of marbles contains 3 different colors. 40 are drawn. The frequency of different colors drawn is shown in the table. Based on the table, what would be the probability of drawing a white marble? Write your answer as a fraction.
1/8
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15
When Abbey gets dressed for work tomorrow, she will choose 1 skirt and one top from the clothes shown. What is the total number of different combinations she can choose? 7, 9, 10, 13
10
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15
If you take a number from this box without looking, what is the probability of not drawing a 3? Write your answer as a percent.
80%
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15
What is the probability of tossing 3 heads? Write your answer as a fraction and a percent.
1/8 = 12.5 percent
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15
The probability of choosing a fortune cookie with a positive message is 3 out of 4. Arnold has a box containing 648 fortune cookies. About how many are negative messages? 100, 110, 138, 162, 200