✒️ANSWER
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if three coins are tossed, which is not a possible value of the random variable for the number of tails?
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number 4 is not a possible value of the random variable for the number of tails
✏️ Explanation:
the random variable if the three coins tossed are
0,1,2,3
#hopeithelps
Transcribed Image Text:9:56 cdn.fbsbx.com Done Name: Date: Dirertigns sChose the letter of the correct answer and write it on the ansgebkbeet provided below. WEEK 1. 1. If three coins are tossed, which is NOT a possible value of the random variable for the number of tails? A. 1 2. Which of the following is a discrete random variable? A. Length of electrical wires B. Number of pencils in a box C. Amount of sugar used in a cup of coffee D. Voltage of car batteries 3. Which formula gives the probability distribution shown by the table? х з45 В. 2 С.3 D. 4 P(X) 1/3 1/4 1/5 А. Р(X) %3D X С. Р(Х) — X/3 4. How many ways can a "double" come out when you roll two dice? В. Р(Х)- 1/X D. P(X)= X/5 A. 2 В. 4 C. 6 D. 8 5. It is a numerical quantity that is assigned to the outcome of an experiment. A. random variable B. variable C. probability 6. Two coins are tossed. Let H be the number of tails that occur. What D. probability distribution are the values of the random variable H? A. 0 В. О, 1 С. 1, 2 D. 0, 1, 2 7. A shipment five computers contains two that are slightly defective. A retailer receives three of these computers at random. Let Z represent the number of computers purchased by the retailer which are slightly defective. What are the values of the random variable Z? А. О В. О, 1 С. 1, 2 D. 0, 1, 2 8. Which of the following can't serve as the probability distribution of a random variable X? A. P (X) = X/ 6 ; for X = 1, 2, 3 B. P (X) = 1/ 8 ; for X = 1, 2 3,..., 8 С.Р (X) %3 (1+Х) /(1-X) ; for X 31, 2, 3, 4 D. P (X) = 12/25X ; for X = 1, 2, 3, 4 9. Jomarson has three coins and tossed it simultaneously. What is the probability of showing at least one head. A. 1/ 8 В. 3/8 C. 5/8 D. 7/8 10. It is the central or average of its corresponding probability mass function. A. mean B. standard deviation C. variance D. probability WEEK 2 1 What
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