1 Exampromax - Stuvia US
STA 210 FINAL Questions and Answers 100%
Correct Answers Already Graded A+
Q: The set of all possible outcomes from an experiment is known as what?
Ans: Sample space
Q: Suppose you flip a coin and roll a die. Use this scenario to answer
questions 2 - 4.
Ans:
Exampromax - Stuvia US
Q: How many possible outcomes are there?
Ans: 12
Q: Give the sample space.
Ans: {H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6}
Q: What is the probability of getting tails on the coin and an even number
on the die?
Ans: 0.25
Q: The number of strikeouts, x, in an inning for a pitcher has the following
probability distribution. What must the missing probability be?
Ans: 0.25
Q: In the table below, suppose event A = {teacher has less than a master's
degree} and event B = {teacher has less than 5 years of experience}. Use
this scenario to answer questions 6 - 10.
Ans:
Q: Find P(A)
, 2 Exampromax - Stuvia US
Ans: 0.575
Q: Find P(B)
Ans: 0.65
Q: Find P(A and B)
Ans: 0.375
Q: Find P(A or B)
Ans: 0.85
Q: Find P(A|B)
Exampromax - Stuvia US
Ans: 0.577
Q: Which of the following is true?
Ans: A and B are mutually exclusive when P(A and B) = 0
Q: A box contains five red marbles, seven white marbles, and four green
marbles. A student is computing probabilities by drawing marbles out of the
box. Use this scenario to answer questions 12 - 16.
Ans:
Q: Drawing one marble, what is the probability that it is red?
Ans: 0.3125
Q: Drawing two marbles with replacement, what is the probability that
both are red?
Ans: 0.0977
Q: Drawing two marbles without replacement, what is the probability that
both are red?
Ans: 0.0833
STA 210 FINAL Questions and Answers 100%
Correct Answers Already Graded A+
Q: The set of all possible outcomes from an experiment is known as what?
Ans: Sample space
Q: Suppose you flip a coin and roll a die. Use this scenario to answer
questions 2 - 4.
Ans:
Exampromax - Stuvia US
Q: How many possible outcomes are there?
Ans: 12
Q: Give the sample space.
Ans: {H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6}
Q: What is the probability of getting tails on the coin and an even number
on the die?
Ans: 0.25
Q: The number of strikeouts, x, in an inning for a pitcher has the following
probability distribution. What must the missing probability be?
Ans: 0.25
Q: In the table below, suppose event A = {teacher has less than a master's
degree} and event B = {teacher has less than 5 years of experience}. Use
this scenario to answer questions 6 - 10.
Ans:
Q: Find P(A)
, 2 Exampromax - Stuvia US
Ans: 0.575
Q: Find P(B)
Ans: 0.65
Q: Find P(A and B)
Ans: 0.375
Q: Find P(A or B)
Ans: 0.85
Q: Find P(A|B)
Exampromax - Stuvia US
Ans: 0.577
Q: Which of the following is true?
Ans: A and B are mutually exclusive when P(A and B) = 0
Q: A box contains five red marbles, seven white marbles, and four green
marbles. A student is computing probabilities by drawing marbles out of the
box. Use this scenario to answer questions 12 - 16.
Ans:
Q: Drawing one marble, what is the probability that it is red?
Ans: 0.3125
Q: Drawing two marbles with replacement, what is the probability that
both are red?
Ans: 0.0977
Q: Drawing two marbles without replacement, what is the probability that
both are red?
Ans: 0.0833
