Study_Island (12).doc

# Study_Island (12).doc - Study Island Copyright 2018...

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Study Island Copyright © 2018 Edmentum - All rights reserved. Generation Date: 01/05/2018 Generated By: Chrisitan Holt 1. The contingency table below gives the counts of students by activities and gender. Ban d Sport s Debate Total Male 105 320 7 432 Female 105 160 14 279 Total 210 480 21 711 If a student is randomly selected, what is the probability that a student is female or plays sports? A. B. C. D. 2. David's teacher gave him a cup of colored candy. In the cup, there are three red candies, seven orange candies, five yellow candies, two green candies, and three blue candies. The probability that David will randomly pull out a yellow candy piece and then a green candy piece is . Using this probability, determine if the event of pulling out a yellow candy piece and the event of pulling out a green candy piece was independent, dependent, both, or neither. A. neither independent nor dependent B. dependent C. independent

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D. both independent and dependent 3. An experiment consists of rolling two fair dice and adding the dots on the two sides facing up. What is the probability that the sum of the dots is divisible by 4? A. B. C. D. 4. Monica has a jewelry box of earrings. This box contains 4 pairs of plain gold earrings, 10 pairs of gold earrings with diamonds, 2 pairs of plain silver earrings, and 6 pairs of silver earrings with diamonds. If she picks a pair of earrings at random from the box, what is the probability that she picks a pair with diamonds? A. B. C. D. 5. What is the probability of a coin landing on heads at least once when it is flipped four times? A. B. C.
6. A club with nine girls and six boys is choosing two representatives to meet with the other clubs. The probability that the club chooses a girl and then a boy for the representative spots is . Using this probability, determine if the event of choosing a girl for the first spot and the event of choosing a boy for the second spot are independent, dependent, both, or neither. A. neither independent nor dependent B. both independent and dependent C. dependent D. independent 7. Sam's closet contains blue and green shirts. He has eight blue shirts, and seven green shirts. Five of the blue shirts have stripes, and four of the green shirts have stripes. What is the probability that Sam randomly chooses a shirt that is blue or has stripes?

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• Spring '18

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