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Question 1 (1 point) The mean daily TV viewing time per houshold is 8.3 hours. Suppose the daily TV viewing times are normally distributed with

Question 1 (1 point)

The mean daily TV viewing time per houshold is 8.3 hours. Suppose the daily TV viewing times are normally distributed with a standard deviation of 2.4 hours. What viewing time is 1.74 standard deviations below the mean?

Question 1 options:

12.48 hours

.50hours

4.12hours

-4.12 hours

Question 2 (1 point)

The marks on the Math 1080 Unit 2 test were normally distributed with a mean of 76.2% and a standard deviation of 7.32%. What is the score of a test that is 1.31 standard deviationsabove the mean?

Question 2 options:

87.09%

-66.61%

66.61%

85.79%

Question 3 (1 point)

The average IQ score of the population of high school students is 100 points with a standard deviation of 15. What is the z score of a sample of 35 students with an mean of 98 points.

Remember this is a sample!

Question 3 options:

-.79

.79

-.13

-.80

Question 4 (1 point)

The average male drinks 2 litres of water when active outdoors with a standard deviation of .7 litres. What is the probability that a sample of 50 men on a nature hikewill use less than 1.96 litres of water each?

Question 4 options:

.6554

.3446

.33oo

.6700

Question 5 (1 point)

The population of the birthweight of babies at a hospital, has a mean of 112 ounces and a standard deviation of 20.6 ounces. What is probability thata sample of the birthweights of the next 49 babies born at the hospital has a mean of more than107ounces.

Question 5 options:

.0028

.9616

.0446

.9554

Question 6 (1 point)

Identify the type of sampling technique for the following sample:

I identify different counties in Ontario and choose five of those counties at random. Then I survey all the farms in each of those counties to determine the farm pesticide use.

Question 6 options:

Convenience sampling

Cluster Sampling

Simple random sampling

Stratified sampling

Systematic sampling

Question 7 (1 point)

Identify the type of sampling technique for the following sample;

I survey the opinion of 10 of my60 employees by puttingall the employee numbers in a hat and selecting 10 of the numbers out.

Question 7 options:

Cluster Sampling

Systematic Sampling

Convenience Sampling

Simple Random Sampling

Stratified Sampling

Question 8 (1 point)

Identify the type of sampling technique for the following sample;

Fifty students out of 500 students are choosen by surveying every 10 student to determine the type of bread they enjoy for lunch.

Question 8 options:

Convenience Sampling

Simple Random Sampling

Cluster Sampling

Systematic Sampling

Stratified Sampling

Question 9 (1 point)

Identify the type of sampling technique for the following sample;

You take a sample of 40 employees from a total of 180 employees. 50% of the employees are male and full time, 10% are male and part time, 5% are female and full time and 35% are female and part time. You randomly select 20 full time male employees, 4 part time male employees , 2 full time female employees and 14 part time female employees.

Question 9 options:

Convenience Sampling

Stratified Sampling

Systematic Sampling

Cluster Sampling

Simple Random Sampling

Question 10 (1 point)

identify the type of sampling technique for the following sample;

Car buyers are divided into various household incomes, Less than $25, 000 $25,000 - $39,999 $40,000 - $60,000 More than $60,000 and 25 car buyers from each household income bin are randomly selected to answer a survey their car buying satisfaction.

Question 10 options:

Cluster Sampling

Systematic Sampling

Simple Random Sampling

Convenience Sampling

Stratified Sampling

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