# MATHEMATICS

1. Is the number of the text book authors now sitting at a computer discrete or continous

• The random variable is continous?
• The random variable is discrete?

1. Is the number of people with blood type A in a random sample of 22 people discrete or continous

• The randome variable is continous.
• The randomn variable is discrete.

1. Is the number of people in the restaurant that has the capacity of 250 discrete or continous?

• The random variable is continous.
• The random variable is discrete.

1. Is the weight of a T-bone steak discrete or continous.

• The random variable is continous.
• The random variable is discrete.

1. Is height of randomly selected giraffe discrete or continous?

• The random variable is continous.
• The random variable is discrete.

1. Determine whether the distribution is a discrete probability  distribution

 X P(X) 0 0.16 1 0.21 2 0.26 3 0.21 4 0.16

Is the distribution is discrete probabilty distribution? Why?

1. No because some of the probability have value greater than 1 less than 0
2. Yes because the probability sum to 1 and are all between 0 and 1, inclusive.
3. Yes because the distribution is symetric
4. No because the total probabilty is not equal to 1.

1. A frequently distribution below. Complete A through E

1. Use the frequently distribution to construct a probability distribution.

 X P(X) 0 ? 1 ? 2 ? 3 ? 4 ? 5 ? 6 ?

1. Find the mean of the probabilty distribution

Means= …..                 (round nearest tenth as needed )

2. Find the variable of probabilty distribution

02=

1. Determine which of the following could not represent the probability of an event.

A= 0

B= 0.009

C= 550/1259

E= 50%

F= -0.7

2. You randomly selected one card from a standard desk.

Event A is selecting a five. Determine the # of outcomes in event A. Then decide whether the event is a simple or not?

The number of outcomes in the event is ?

IS event A simple Event?

Yes or No?

3. Use the bar graph below, which shows the highest level of education received by employees of a company, to find the probability that the highest level of education for an employee a Random is B.

__Must insert  Data

A =8

B= 26

C= 33

D= 17

E= 7

F= 13

The probability that the highest level of education for an employee chosen at random is B is?

4. Determine whether the Events E & F are Dependent

1. E: A  person having a high GPA

F: A person being highly organized

Chose the correct one:

1. E & F: are dependent because having a high GPA has no effect on the probability of a person being highly organized.
2. E & f: are independent because highly organized has no effec on the probability of a person having a high GPA

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