MATH 53

MATH 53

University

50 Qs

quiz-placeholder

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MATH 53

MATH 53

Assessment

Quiz

Mathematics

University

Hard

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50 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

There are 3 questions in a test. For each question 1 point is awarded for a correct answer and none for a wrong answer. If the probability that Janine correctly answers a question in the test is 2/3, determine the probability that she gets zero in the test.

a. 8/27

b. 4/9

c. 1/30

d. 1/27

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the ECE Board Examinations, the probability that an examinee will pass each subject is 0.8. What is the probability that an examinee will pass at least two subjects out of the three board subjects?

a. 70.9%

b. 80.9%

c. 85.9%

d. 89.6%

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a multiple choice test, each question is to be answered selecting 1 out of 5 choices, of which only 1 is right. If there are 10 questions in a test, what is the probability of getting 6 right of pure guesswork?

a. 10%

b. 6%

c. 0.44%

d. 0.55%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

From a box containing 6 red balls, 8 white balls and 10 blue balls, one ball is drawn at random. Determine the probability that it is red or white.

a. 1/3

b. 7/12

c. 5/12

d. 1/4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

From a bag containing 4 black balls and 5 white balls, two balls are drawn one at a time. Find the probability that both balls are white. Assume that the first ball is returned before the second ball is drawn.

a. 25/81

b. 16/81

c. 5/18

d. 40/81

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A bag contains 3 white and 5 black balls. If two balls are drawn in succession without replacement, what is the probability that both balls are black?

a. 5/16

b. 5/28

c. 5/32

d. 5/14

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A urn contains 4 black balls and 6 white balls. What is the probability of getting 1 black and 1 white ball in two consecutive draws from the urn?

a. 0.24

b. 0.27

c. 0.53

d. 0.04

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