Finding Normal Distribution Probability

Finding Normal Distribution Probability

12th Grade

11 Qs

quiz-placeholder

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Finding Normal Distribution Probability

Finding Normal Distribution Probability

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

Anthony Clark

FREE Resource

11 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 5 pts

X~N(23,11). P(X>20) =

(Give your answers to 3sf)

(Hint: Annex A for keystrokes)

2.

FILL IN THE BLANK QUESTION

1 min • 5 pts

3.

FILL IN THE BLANK QUESTION

1 min • 5 pts

X~N(1, 2). P(|X|<2) =

(Give your answers to 3sf)

(Hint: Page 4 of notes)

4.

FILL IN THE BLANK QUESTION

1 min • 5 pts

X~N(7, 3). P(X<m) = 0.125

m = ?

(Give your answers to 3sf)

(Hint: Refer to Annex for keystroke)

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

N(4,6)

N(4,12)

N(5,6)

N(5,12)

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Let X~height of a randomly chosen woman. X~N(160, 4) If, M=\frac{X_1+X_2+X_3+X_4}{4} , M~ ? (Hint: Page 13 of notes)

N(160,4)

N(160,1)

N(40,4)

N(40,1)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

28% of all Woodrow students believe Monday will be snow day. You take a sample of 50 students and find that 15 of them believe Monday will be a snow day. (The sample proportion is 15/50 or .3) What is the probability of getting a sample of size 50 that has 15 or more students who believe Monday will be a snow day?

0.376

Cannot be determined because the distribution of the sample proportion of samples of size 50 is not normal

0.624

0.99999

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