2. If two fair dice are rolled, what is the probability of getting a sum greater than 11 or a sum equal to 12?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section: Chapter Questions
Problem 31CR
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pls answer no2 on paper

Answer the following problems. Do not forget to transform them into mathematical notations and indicate your
complete and organized solutions in the space provided. Lastly, express your answers in its simplest fraction
form or in their equivalent decimal value rounded off to the nearest hundredths.
1. A spinner is numbered from 1 to 10. Find the probability that the pointer will stop on an even number or
on a number greater than 5.
2. If two fair dice are rolled, what is the probability of getting a sum greater than 11 or a sum equal to 12?
3. A survey asked 500 Americans to rate their health. Of those surveyed, 270 rated their health as
good/excellent. What is the probability of those with not good/excellent health?
4. If one card is randomly selected from a deck of cards, what is the probability of selecting a jack or a 10?
5. Two coins are tossed 100 times to determine the occurrence of all the events in its sample space. The
results of the experiment are as follows:
TH
TT
14
28
36
22
а.
What is the theoretical probability of having only one tail?
b. What is the experimental probability of obtaining at least one tail?
Transcribed Image Text:Answer the following problems. Do not forget to transform them into mathematical notations and indicate your complete and organized solutions in the space provided. Lastly, express your answers in its simplest fraction form or in their equivalent decimal value rounded off to the nearest hundredths. 1. A spinner is numbered from 1 to 10. Find the probability that the pointer will stop on an even number or on a number greater than 5. 2. If two fair dice are rolled, what is the probability of getting a sum greater than 11 or a sum equal to 12? 3. A survey asked 500 Americans to rate their health. Of those surveyed, 270 rated their health as good/excellent. What is the probability of those with not good/excellent health? 4. If one card is randomly selected from a deck of cards, what is the probability of selecting a jack or a 10? 5. Two coins are tossed 100 times to determine the occurrence of all the events in its sample space. The results of the experiment are as follows: TH TT 14 28 36 22 а. What is the theoretical probability of having only one tail? b. What is the experimental probability of obtaining at least one tail?
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