STATISTICS AND PROBABILITY

STATISTICS AND PROBABILITY

1st - 12th Grade

5 Qs

quiz-placeholder

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STATISTICS AND PROBABILITY

STATISTICS AND PROBABILITY

Assessment

Quiz

Mathematics

1st - 12th Grade

Practice Problem

Hard

Created by

Ma'am Ces Stat

Used 8+ times

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. In formulating the alternative hypothesis, what mathematical symbol is applicable to use in the statement, “The average score of Grade 11 (STEM) in Statistics and Probability is 75.”?

A <

B. >

C. =

D. ≠

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. Consider this statement: “New cars are expected to last an average of at least three (3) years before needing major service.” Which of the following is the null hypothesis?

A.𝐻𝑜:μ≤3

B. 𝐻𝑜:μ<3

C. 𝐻𝑜:μ>3

D. 𝐻𝑜:μ ≥3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. Which is the correct null hypothesis of the claim below? “Students take an average of less than five (5) years to graduate from college.”

A.𝐻𝑜:μ=5

B. 𝐻𝑜:μ<5

C. 𝐻𝑜:μ≠5

D. 𝐻𝑎:μ<5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4 What notation is used to express the null hypothesis?

A. 𝐻𝑜

B. 𝐻𝑎

C. μ

D. x

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. The average waiting time of all customers in a restaurant before being served is less than 20 minutes. Determine what was the claim?

a. 𝐻𝑎: 𝝁 ≠ 𝟐𝟎

b. 𝑯𝑎 ∶ 𝝁 ≥ 𝟐0

c. 𝐻𝑎: 𝝁 < 𝟐𝟎

d 𝐻𝑎: 𝝁 = 𝟐𝟎