What is conditional probability that a democrat is selected

Reference no: EM132030873

Assignment Questions -

Q1. An extremely high or extremely low value compared with the rest of the data set is called an ___________.

Q2. There are 9 baseball teams in a division. The top 5 teams make the playoffs. Show how many combinations are possible.

A local college costs students $500 per credit plus a one time $100 lab fee per semester. Let x denote the number of credits taken and y the total cost to the student.

Q3. Obtain the linear equation that expresses y in terms of x.

Q4. Construct a table for the x-values 1, 3, and 9 credits.

Q5. Graph the linear equation.

Q6. What is the probability of selecting a club on one draw, then selecting another club on the second draw with replacement?

Q7. If one or more events must occur, the events are said to be _________________________.

Q8. Which of the following numbers could not possibly be a probability?

a. 0

b. .33333333...

c. 1.25

d. 1

Q9. Graph and find the area under the standard normal distribution curve between .25 and 1.50.

The following data shows the results of a survey of 100 people in the Tri-State area and their political affiliation.

	DEMOCRAT	REPUBLICAN	INDEPENDENT	TOTAL
NEW JERSEY	17	22	4	43
NEW YORK	19	20	3	42
CONNECTICUT	6	8	1	15
TOTAL	42	50	8	100

If 1 person from this group was selected, find the probability of selecting someone who was classified as:

Q10. New York and Democrat

Q11. Connecticut or Republican

Q12. New Jersey or Democrat

Q13. Republican

Q14. New York

Q15. What is the conditional probability that a Democrat is selected, given that he or she is from New York?

Q16. What is the conditional probability that a person from Connecticut is selected, given that he or she is a Republican?

Q17. The idea that a larger sample size is approximately normally distributed and will reflect the entire population more accurately than a smaller sample size is known as the _______________________ .

Q18. The value that occurs most often is called the _____________________________________.

Q19. The null hypothesis states that there is no difference between values and parameters.

a. True

b. False

Q20. ______________________ sampling occurs when a population is divided into groups and subjects are randomly chosen from each group.

Q21. The _______________________________________ level of measurement is used when data is ordered, but there is no true zero value, such as years or temperature.

Q22. There are 6 men and 4 women in a class. The top 2 students will receive an award for their hard work. What is the probability that both will be women?

For the data set (16, 9, 20, 12, 13, 14, 8, 12), find the following:

Q23. Mean

Q24. Mode

Q25. Range

Q26. Midrange

Q27. Standard deviation

Q28. z score for 14

Q29. Determine the IQR

Q30. Determine the 5 number summary

Using an ordinary deck of cards, what is the probability of selecting:

Q31. a jack and a heart

Q32. a 6 or a black card

Q33. a two or a three

Reference no: EM132030873

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