Probability

Two events such that each event affects the occurrence of the other are called?

• Dependent events

• Inclusive Events

• Independent events

• Mutually Exclusive events

Tags

CCSS.HSS.CP.A.5

Which of the following is an example of an independent events?

• A 6 followed by a 2 turning up in rolling a die twice.

• Drawing a Jack of clover first and then a queen of hearts in the second draw without replacement.

• Selecting a male and a female from a class of 50 students to attend a symposium.

• Drawing a black marble first and followed by a white marble from a bag that contains three black and four white marbles.

Tags

CCSS.HSS.CP.A.5

Three cards are drawn at random from an ordinary deck of 52 cards. Find the probability that all cards are face cards if no replacement is done.

• 0.00995

• 0.09955

• 0.995475

• 1.0

Tags

CCSS.HSS.CP.B.9

The probability that a student plays basketball is 0.64. The probability that a student likes pizza is 0.35. What is the probability that a student selected at random plays basketball and likes pizza? Assume that the two events are independent.

•  0.124

• 0.224

• 0.422

• 0.890

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Each of the seven congruent sectors of a spinner is labeled with the letters A – G. Find the probability that the spinner stops at consonants if it is spin twice?

• 5/7

• 10/49

• 15/49

• 25/49

   A coin is tossed six times. What is the probability that all results are tails?

• 1/7

• 1/14

• 1/64

• 1/128

Given: S = (1, 2, 3, 4, 5) and event A = {1, 3, 5). What is the complement of A (A')?

• A' = {1, 2, 3}

• A' = {4, 5}

• A' = {2, 4}   

• A'= { }

Tags

CCSS.HSS.CP.A.1

The Universal Set U = {-4, -3, -2, -1, 0, 1, 2, 3, 4,) and A = { 0}. What is the complement of A?

• A. {-4, -3, -2, -1, О, 1, 2, 3}

• B. {-4, -3, - 2, - 1, 1, 2, 3, 4}  

•       C. {-3, -2, -1, 1, 2, 3}.

•    D. {-4, -3, -2, - 1, 1, 2, 3}

Tags

CCSS.HSS.CP.A.1

In a college, there are 20 students who enrolled for commerce only,90 students enrolled for mathematics only, 30 students enrolled for commerce and mathematics both and 60 students enrolled for others.

Find total number of students enrolled either for commerce or mathematics.

• 50

• 120

• 140

• 200

Tags

CCSS.HSS.CP.A.1

The Universal Set(U) = {the set of counting numbers from 1 to 10; and event A = (1, 3, 6, 7, 9}. What is the complement of event A (A’)?

• {12, 4, 6, 8, 10}

• {1, 3, 5, 7, 9}

• {2, 4, 5, 8, 10}    

• {11, 3, 5, 8, 10}

Tags

CCSS.HSS.CP.A.1