In a sample of 500 people, how many people would have an IQ less than 110? _ people 2 IQ is normally distributed with a mean of 100 and a standard deviation of 15. P(IQ less than 125) = _% 374 IQ is normally distributed with a mean of 100 and a standard deviation of 15. Find the probability that this person has an IQ less than 125. Suppose one individual is randomly chosen. P(IQ greater than 95) = _% 95.2 IQ is normally distributed with a mean of 100 and a standard deviation of 15. Find the probability that this person has an IQ greater than 95.
What is your Expected Value if you play this game? 63.1 IQ is normally distributed with a mean of 100 and a standard deviation of 15. Someone offers to play this game: You randomly select one marble from the bag. P(greater than 4) = $0.16 A bag contains 2 gold marbles, 9 silver marbles, and 21 black marbles. Write your answers as whole numbers or reduced fraction Write your answers as a decimal rounded to the nearest tenth. Write your answers as a decimal rounded to the nearest hundredth. Without replacing the first card, she then proceeds to draw a second card.ĭetermine the probability that the second card is a 3. P(club∣8 of hearts) = 4/51 Sara draws the 8 of hearts from a standard deck of 52 cards. Without replacing the first card, she then proceeds to draw a second card.ĭetermine the probability that the second card is a club. P(heart∣8 of hearts)= 13/51 Sara draws the 8 of hearts from a standard deck of 52 cards. Without replacing the first card, she then proceeds to draw a second card.ĭetermine the probability that the second card is another heart. P(8∣8 of hearts) = 4/17 Sara draws the 8 of hearts from a standard deck of 52 cards. Without replacing the first card, she then proceeds to draw a second card.ĭetermine the probability that the second card is another 8. What are the odds against the ball landing in an even-numbered slot? _ to _ 1/17 Sara draws the 8 of hearts from a standard deck of 52 cards.
What are the odds for the ball landing in an even-numbered slot? _ to _ 9 to 10 An American roulette wheel has 38 slots: two slots are numbered 0 and 00, and the remaining slots are numbered from 1 to 36. Your answer is : 10 to 9 An American roulette wheel has 38 slots: two slots are numbered 0 and 00, and the remaining slots are numbered from 1 to 36. A marble is drawn at random from the jar. Your answer is : 5/14 A jar contains 4 red marbles numbered 1 to 4 and 10 blue marbles numbered 1 to 10. Your answer is : 9/14 A jar contains 4 red marbles numbered 1 to 4 and 10 blue marbles numbered 1 to 10. A marble is drawn at random from the jar.įind the probability of the given event. 2/13 Jenelle draws one card from a standard deck of 52 cards.ĭetermine the probability of drawing either a ten or a two? Write your answer as a reduced fraction.Īnswer = 4/13 Jenelle draws one card from a standard deck of 52 cards.ĭetermine the probability of drawing either a ten or a heart? Write your answer as a reduced fraction.Īnswer = 2/7 A jar contains 4 red marbles numbered 1 to 4 and 10 blue marbles numbered 1 to 10. What is the dog's weight? Round your answer to the nearest tenth as needed. 57.7 The weights of a certain dog breed are approximately normally distributed with a mean of μ = 50 pounds, and a standard deviation of σ = 6 pounds.Ī dog has a z-score of 1.28. 42.3 The weights of a certain dog breed are approximately normally distributed with a mean of μ = 50 pounds, and a standard deviation of σ = 6 pounds.Ī dog has a z-score of -1.28. What is the dog's z-score? Round your answer to the nearest hundredth as needed.
1 The weights of a certain dog breed are approximately normally distributed with a mean of μ = 50 pounds, and a standard deviation of σ = 6 pounds.Ī dog of this breed weighs 56 pounds. 3,12,42.5,63,90 Find the 5 number summary for the data shown below.įive number summary: _, _, _, _, _ 32, 38, 44, 50, 56, 62, 68 The weights of a certain dog breed are approximately normally distributed with a mean of μ = 50 pounds, and a standard deviation of σ = 6 pounds.įill in the indicated boxes. 84 Use the Empirical Rule to answer the following question. 50 Use the Empirical Rule to answer the following question. _% of the test scores are between 77 and 80. 34 Use the Empirical Rule to answer the following question. _% of the test scores are between 68 and 86. 99.7 Use the Empirical Rule to answer the following question. _% of the test scores are between 71 and 83. 95 Use the Empirical Rule to answer the following question. _% of the test scores are between 74 and 80. The standard deviation is 68 Use the Empirical Rule to answer the following question. 3 Use the Empirical Rule to answer the following question.
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