12. What must be the value of the probability of each random variable? А. Р(X) 2 0 C. -1 < P(X)<1 D. P(X)<1 13. What is the sum of the probabilities of all values of the random variable? B. 0< P(X) < 1

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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Please answer 12, 13 and 14
12. What must be the value of the probability of each random variable?
А. Р(X) 2 0
B. 0S P(X) < 1
13. What is the sum of the probabilities of all values of the random variable?
Α. ΣΡΧ) =0
B. ΣΡ(Χ)= 1/10
14. If two socks drawn consecutively without replacement from a drawer containing 4 red socks
and 5 green socks. If the value of the random variable X represents the number of green
socks, what is the probability of getting two green socks?
А. 1/2
В. 1/3
C. -1 < P(X) <1
D. P(X)<1
C. ΣΡ(Χ) 1
D. ΣΡ(Χ) - 10
С. 1/4
D. 1/8
Transcribed Image Text:12. What must be the value of the probability of each random variable? А. Р(X) 2 0 B. 0S P(X) < 1 13. What is the sum of the probabilities of all values of the random variable? Α. ΣΡΧ) =0 B. ΣΡ(Χ)= 1/10 14. If two socks drawn consecutively without replacement from a drawer containing 4 red socks and 5 green socks. If the value of the random variable X represents the number of green socks, what is the probability of getting two green socks? А. 1/2 В. 1/3 C. -1 < P(X) <1 D. P(X)<1 C. ΣΡ(Χ) 1 D. ΣΡ(Χ) - 10 С. 1/4 D. 1/8
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