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Homework answers / question archive / Before proceeding to the next assignment, complete the questions to confirm knowledge gained through the textbook reading

Before proceeding to the next assignment, complete the questions to confirm knowledge gained through the textbook reading.

This is a non-grade, recommended activity. After you finish the Quick Check, use the Text Entry box to let your instructor know that you have completed the activity.

A standard normal distribution has a mean of zero and a standard deviation of one.

True

False

Half (50%) of the probability (area under the standard normal distribution curve), is to the right of the mean.

True

False

Half (50%) of the probability (area under the standard normal distribution curve), is to the left of the mean.

True

False

Mean scores for an IQ Test are 100 with a population standard deviation of 15. A subject scored 130 on the IQ Test; this corresponds to a Z-Score of:

0

1

2

-2

-1

Impossible to calculate a Z-Score given the problem information.

Mean scores for an IQ Test are 100 with a population standard deviation of 15. A subject scored 70 on the IQ Test; this corresponds to a Z-Score of:

0

1

2

-2

-1

Impossible to calculate a Z-Score given the problem information.