WEEK 1. 1. If three coins are tossed, which is NOT a possible value of the random variable for the number of tails? В. 2 С.3 D.4 А. 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 P(X) 1/3 1/4 1/5 А. Р(X) — X С. Р(Х) -Х/3 В. Р(Х)- 1/X D. P(X)= X/5

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Dirertigns sChose the letter of the correct answer and write it on the
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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
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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