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%.
Oops!
Check
Okay!
Check
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
Oops!
Check
Okay!
Check
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
Oops!
Check
Okay!
Check
15
Cookie Monster reaches into the cookie jar and gets a chocolate chip cookie. If the probability of drawing a chocolate chip cookie was 4/13, how many cookies could be in the jar?
13
Oops!
Check
Okay!
Check
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%
Oops!
Check
Okay!
Check
15
If you toss the coin and spin the spinner, what is the probability of heads and red? Write your answer as a percent.
12.5%
Oops!
Check
Okay!
Check
15
Which number could represent the probability of an event? 1.25, -2, 2/3, 3/2
2/3
Oops!
Check
Okay!
Check
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
Oops!
Check
Okay!
Check
heart
Other team wins 10 points!
Oops!
star
Double points!
Okay!
gift
Win 25 points!
Okay!
banana
Go to last place!
Oops!
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
Oops!
Check
Okay!
Check
15
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.
Oops!
Check
Okay!
Check
thief
Give points!
5
10
15
20
25
star
Double points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
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
162
Oops!
Check
Okay!
Check
15
Mike is making a sandwich. He can choose white or wheat bread. He can also choose ham, turkey or chicken. Which diagram shows all possible sandwich combinations?
D
Oops!
Check
Okay!
Check
15
If the spinners are spun at the same time, what is the probability one will land on a primary color and the other on a number less than ten? Write your answer as a fraction.