Probability Explanation And Exercises Worksheet Page 35
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3719. Five faces of a fair die are painted black, and one face is painted white. The die
is rolled six times. Which of the following results is more likely?
a. Black side up on five of the rolls; white side up on the other roll
b. Black side up on all six rolls
c. a and b are equally likely
20. One of the items on the student survey for an introductory statistics course was
“Rate your intelligence on a scale of 1 to 10.” The distribution of this variable
for the 100 women in the class is presented below. What is the probability of
randomly selecting a women from the class who has an intelligence rating that
is LESS than seven (7)?
a. (12 + 24)/100 = .36
b. (12 + 24 + 38)/100 = .74
c. 38/100 = .38
d. (23 + 2 + 1)/100 = .26
e. None of the above.
21. You roll 2 fair six-sided dice. Which of the following outcomes is most likely
to occur on the next roll? A. Getting double 3. B. Getting a 3 and a 4. C. They
are equally likely. Explain your choice.
219
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