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7th 7-3 Experimental Probability
Authored by Ryan Wolf
Mathematics
7th Grade
CCSS covered
Used 232+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A 7th grade class rolls a number cube 50 times. The number cube has sides labeled 1 through 6. The table shows the results. Find the relative frequency for "roll a number less than 4."
36%
16%
64%
24%
Tags
CCSS.7.SP.C.6
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A 7th grade class rolls a number cube 50 times. The number cube has sides labeled 1 through 6. The table shows the results. Find the experimental probability for "roll a number greater than 4."
60%
20%
40%
80%
Tags
CCSS.7.SP.C.6
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ellen flipped a coin 80 times. The coin landed heads up 44 times and tails up 36 times. The difference between the experimental probability and the theoretical probability is?
55%
5%
50%
45%
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
After many studies, a researcher finds that the probability a word-recognition program correctly interprets a hand-written word is 9/10. How many words would the researcher expect the program to interpret correctly out of 40 words?
40
36
4
32
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The difference between the experimental probability and the theoretical probability of P(greater than or equal to 2) is?
4.5%
6.7%
10%
9.3%
6.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
P(greater than or equal to 2) the theoretical and experimental probability are so different? Mark all true statments.
The experimental probability only matches the theoretical probability in a very small number of trials.
The spinner may not be a fair spinner. The experimental probability assumes that the spinner is a fair spinner.
The spinner may not be a fair spinner. The theoretical probability assumes that the spinner is a fair spinner.
The experimental probability of an event occurring is not guaranteed to match the theoretical probability, but with more trials, they should get closer.
If a large number of trials are preformed and the experimental and theoretical probabilities remain very different, it is possible that the spinner may be rigged.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The manager of a restaurant wants to add two new side dishes to the menu. She asked a sample of customers during one of her evening shifts which side dish he/she prefers. The table shows the customers' responses. What is the experimental probability that a customer prefers a baked potato or asparagus?
26%
34%
40%
60%
Tags
CCSS.7.SP.A.2
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