Question: What is the area under a standard normal curve? 2. A statistics student was about to hand in some homework when his friend pointed at

What is the area under a standard normal curve?2. A statistics student was about to hand in some homework when his friend pointed at his answers and said, "You may want to recheck those." The friend saw this:The probability of the event isa. 0b. -0.8c. 1.9d. 0.77Why

What is the area under a standard normal curve?

2. A statistics student was about to hand in some homework when his friend pointed at his answers and said, "You may want to recheck those." The friend saw this:

The probability of the event is

a. 0

b. -0.8

c. 1.9

d. 0.77

Why is the friend so sure that some (or all) of these answers is/are not correct?

3. Explain what the meantells us about a normal curve, and explain what the standard deviationtells us about a normal curve. What is the relationship between the two? (Focus on the height of the peak/ how wide or narrow the curve is - for example, as the standard deviation increases, the height of the peak___________________)

is/are not correct?3. Explain what the meantells us about a normal curve,

and explain what the standard deviationtells us about a normal curve. What

is the relationship between the two? (Focus on the height of the

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