Chapter 13: Q. 3 (page 864)
True or False The probability of an event can never equal 0.
Short Answer
False statement
Chapter 13: Q. 3 (page 864)
True or False The probability of an event can never equal 0.
False statement
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In a certain Precalculus class, there are 18 freshmen and 15 sophomores. Of the 18 freshmen, 10 are male, and of the 15 sophomores, 8 are male. Find the probability that a randomly selected student is:
(a) A freshman or female
(b) A sophomore or male
A golf ball is selected at random from a container. If the container has 9 white balls, 8 green balls, and 3 orange balls, find the probability of each event.
The golf ball is not green.
List all the ordered arrangements of 5 objects , and choosing 2 at a time without repetition. What is ?
An urn contains 7 white balls and 3 red balls. Three balls are selected. In how many ways can the 3 balls be drawn from the total of 10 balls:
(a) If 2 balls are white and 1 is red?
(b) If all 3 balls are white?
(c) If all 3 balls are red?
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