
STATISTICS AND PROBABILITY
Authored by Ma'am Ces Stat
Mathematics
1st - 12th Grade
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
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