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STATS_Review_Lesson2

Authored by Vennygene Marquez

Mathematics

11th Grade

Used 4+ times

STATS_Review_Lesson2
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15 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If a coin is tossed, what are the possible values of the random variable for the number of heads?

0, 1

0, 1, 2

1, 2, 3

0, 1, 2, 3

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Suppose you tossed two coins. What are the sample spaces for the experiment?

HH, TT

HH, HT, TT

HH, TH, TT

HH, HT, TT, TH

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What are the possible values of the random variable for the number of heads in a two coins?

0, 1

0, 1, 2

1, 2, 3

0, 1, 2, 3

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the sum of the probabilities of all values of the random variable?

∑𝑃(𝑋))= 0

∑𝑃(𝑋)) = 1/10

∑𝑃(𝑋)) = 1

∑𝑃(𝑋)) = 10

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If two balls are drawn in succession without replacement from an urn containing 5 red balls and 6 blue balls. If the value of the random variable X represents the number of blue balls, what is the probability of getting two blue balls?

1/8

1/4

1/3

1/2

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What must be the value of the probability of each random variable?

P(X) ≥ 0

-1≤ P(X) ≤ 1

0≤ P(X) ≤ 1

P(X) ≤ 1

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following values is not the value of the probability of the random variable?

1.01

0.5

0.15

0.05

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