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8. Which of the following random variables is continuous? a. Z = number of food packs distributed per barangay during quarantine b. W = count of Netflix users in a household c. Y = amount of money spent during the 6.6 online sale d. X = number of Tiktok videos watched per day

8. Which of the following random variables is continuous? a. Z = number of food packs distributed per barangay during quarantine b. W = count of Netflix users in a household c. Y = amount of money spent during the 6.6 online sale d. X = number of Tiktok videos watched per day

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3CYU
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8. Which of the following random variables is continuous? a. Z = number of food packs distributed per barangay during quarantine b. W = count of Netflix users in a household c. Y = amount of money spent during the 6.6 online sale d. X = number of Tiktok videos watched per day 9. Consider the random experiment of tossing a fair die twice. Let X be defined as the sum of the numbers in the two tosses. How many mass points does X have? a. 11 b. 36 c. 6 d. 12 10. Let X be a discrete random variable. Which of the following is NOT true? a. P(X> a) = P(X ≥ a) b. P(X> a) # P(X ≥ a) c. P(X <a) = 1 - P(X ≥ a) d. P(X> a) #1 - P(X < a) 11. Suppose you are given a 15-item multiple choice quiz with four choices each, ten of which you know the correct answer. If X is the total number of correct answers, what are the possible values of X? a. {0, 5, 10, 15} b. {10, 11, 12, 13, 14, 15} c. {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} d. {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
Transcribed Image Text:8. Which of the following random variables is continuous? a. Z = number of food packs distributed per barangay during quarantine b. W = count of Netflix users in a household c. Y = amount of money spent during the 6.6 online sale d. X = number of Tiktok videos watched per day 9. Consider the random experiment of tossing a fair die twice. Let X be defined as the sum of the numbers in the two tosses. How many mass points does X have? a. 11 b. 36 c. 6 d. 12 10. Let X be a discrete random variable. Which of the following is NOT true? a. P(X> a) = P(X ≥ a) b. P(X> a) # P(X ≥ a) c. P(X <a) = 1 - P(X ≥ a) d. P(X> a) #1 - P(X < a) 11. Suppose you are given a 15-item multiple choice quiz with four choices each, ten of which you know the correct answer. If X is the total number of correct answers, what are the possible values of X? a. {0, 5, 10, 15} b. {10, 11, 12, 13, 14, 15} c. {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} d. {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
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