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The National Center for Health Statistics reported that of every 883 deaths in r

ID: 3253414 • Letter: T

Question

The National Center for Health Statistics reported that of every 883 deaths in recent years, 24 resulted from an automobile accident, 182 from cancer and 333 from heart disease. Using the relative frequency approach, what is the probability that a particular death is due to an automobile accident?

24/883 or 0.027

539/883 or 0.610

24/333 or 0.072

182/883 or 0.206

2.5 points   

QUESTION 28

For a population that is not normally distributed, the distribution of the sample means will

be negatively skewed.

approach the normal distribution.

be positively skewed.

take the same shape as the population.

2.5 points   

QUESTION 29

A statewide sample survey is to be made. First, the state is subdivided into counties. Seven counties are selected at random and further sampling is concentrated on these seven counties. What type of sampling is this?

Simple random

Systematic random sampling

Cluster

Stratified

2.5 points   

QUESTION 30

A developer of a new subdivision wants to build homes that are all different. There are three different interior plans that can be combined with any of five different home exteriors. How many different homes can be built?

8

10

15

30

24/883 or 0.027

539/883 or 0.610

24/333 or 0.072

182/883 or 0.206

Explanation / Answer

First question: Answer:The probability that a particular death is due to an automobile accident is given by No.of deaths due to automobile accident/Total number of deaths reported= 24/883

Question 28:

For a population that is not normally distributed, the distribution of the sample means will take the same shape as the population.

Question 29:Cluster

Question 30:The different homes that can be buit is 5*3=15

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