Math 183 Final Review

Math 183 Final Review

University

20 Qs

quiz-placeholder

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Math 183 Final Review

Math 183 Final Review

Assessment

Quiz

Mathematics

University

Practice Problem

Medium

CCSS
HSS.IC.A.1

Standards-aligned

Created by

Lizzy Coda

Used 16+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A coffee shop serves an average of 75 customers per hour during the

morning rush. What probability distribution would be most appropriate for calculating the probability of a given

number of customers arriving within one hour during this time of day?

Poisson

Normal

Geometric

Binomial

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The margin of error for your confidence interval is 12% with a sample size of n. How big a sample size would you have needed if you wanted your confidence interval to have a margin of error of 3%?

16n

4n

32n

2n

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An approximate 95% confidence interval for the average age of the mothers in the population is (26.9, 27.6) years.

True or False: There is a 0.95 probability that the average age of mothers in the sample is in the range 26.9 to 27.6 years

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suppose the P-value of a test comes out to be about 0.5%. True or false: There is about a 0.5% chance that the null hypothesis is true.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If X ~ Poisson(4), Y ~Poisson(4.5), and Z~Poisson(1), and X,Y,Z, are independent, what is the exact distribution of X + Y + Z ?

It is not a nice named distribution

Poisson(4)

Poisson(9.5)

Normal(9.5,9.5)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Match the intervals with their descriptions

a:I, b:II, c:III

a:II,b:I, c:III

a:III, b:I, c:II

a:I, b:III, c:II

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