Stat. & Proba.|| Regions of Areas Under the Normal Curve

ATTENDANCE

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Prayer

​Welcome students...

Statistics & Probability

Regions of Areas Under the Normal Curve

rANDOM VARIABLE

Determine if the following statements are

TRUE or FALSE

Multiple Choice

If two coins are tossed. The random variables are 0,1,2 for the number of heads.

• TRUE

• FALSE

0 Heads (TT)

1 Head (HT, TH)

2 Heads (HH)

Multiple Choice

Random variables can only have one value.

• TRUE

• FALSE

Multiple Choice

The number of patients in a hospital is a discrete random variable.

• TRUE

• FALSE

Multiple Choice

The square root of variance is mean.

• TRUE

• FALSE

Multiple Choice

The sum of all probabilities in a probability distribution is always equal to one.

• TRUE

• FALSE

Describe what you see in the picture...​

​THE NORMAL CURVE

• bell-shaped

• symmetrical

Open Ended

Describe the Normal Distribution

​Normal distribution in the real world...

​The total area is 100% = 1

​Raw score vs. z-score

• Find the area between 70 in. and 72 in.

• Find the area greater than 68 in.

• Find the area less than 68 in.

​Raw score vs. z-score

• Find the area between z=0 and z=1

• Find the area greater than z=-1

• Find the area less than z=-1

​Baseline-->>

Multiple Choice

1. The probability distribution is a___________.

• A. normal distribution

• B. normal situation

• C. normal size

• D. normal standard

Multiple Choice

2. What is the area under a normal curve?

• A. 1

• B. 2

• C. 3

• D. 4

Multiple Choice

3. How many standard deviation units are there at the baseline of a normal curve?

• A. a

• B. 5

• C. 6

• D. 7

Multiple Choice

4. Which of the following statements is NOT TRUE about the normal curve?

• A. it is bell-shaped

• B. a symmetrical graph

• C. the area of the normal curve is 0.1.

• D. mean, mode, and median coincide at the center.

​Please answer What's More in your spare paper.