0Go to 16 B) .56Go to 12 .82Go to 14 1.0Go to 18
-
Upload
kalia-randall -
Category
Documents
-
view
17 -
download
1
description
Transcript of 0Go to 16 B) .56Go to 12 .82Go to 14 1.0Go to 18
10
A) 0 Go to 16
B) .56 Go to 12C) .82 Go to 14D) 1.0 Go to 18
Find the standard deviation of the ages of three children ages 6, 7, and 8.
11
A) It would increase Go to 12B) It would decrease Go to 13C) It would stay the same Go to 14D) Who cares? Go to 16
How would the standard deviation change for the ages of three children who are 6, 7, and 8 if a fourth child age 7 was added?
12
A. Q1 = 7; Q3 = 14 Go to 16B. Q1 = 7; Q3 = 15 Go to 14C. Q1 = 8; Q3 = 14 Go to 13D. Q1 = 8; Q3 = 15 Go to 10
Find the value of the first quartile and third quartiles.
Wait times in minutes at airport security:
11, 7, 14, 30, 8,
13, 6, 10, 15, 21
13
A. .15% Go to 10B. 2.35% Go to 12C. 13.5% Go to 14D. 16% Go to 15
If the data on cell phone prices is normally distributed with a mean of $131.50 and a standard deviation of 11.9, what percentage of cell phones should cost more than $143.40?
14
A) 60.84 Go to 17B) 78.00 Go to 13C) 15.60 Go to 15D) 44.96 Go to 11
Find the variance of movie concession sales if its standard deviation 7.8
15
A) -15.6 Go to 17B) -1.88 Go to 16C) 1.88 Go to 12D) 15.6 Go to 18
The fat content of meat lovers pizza is 78 grams. Fat content over all pizza is normally distributed with an average of 62.4 grams of fat and a standard deviation of 8.3. How many standard deviations to the nearest 100th is the meat lovers pizza?
16
A) $56.40 Go to 13B) $66.40 Go to 10C) $68.40 Go to 15D) $76.40 Go to 11
Car rental prices for ACE rentals for one week are $42, $55, $65, $80, and $90. If the new management decides to raise all of the rates by $10, what will the new mean become?
17
A) 214,000 < price < 435,900 Go to 10B) 103,200 < price < 546,800 Go to 18C) 77,000 < price < 657,700 Go to 11D) 325,000 < price < 546,800 Go to 15
If the home prices in the Wells subdivision are normally distributed with a mean price of $325,000 and a standard deviation of 110,900, in what price range should 95% of the homes fall?
A) 0.74215 Go to 16
B) 0.73891 Go to 12
C) 0.74537 Go to 14
D) 0.78230 Go to 10
18A normal distribution has a mean of 75.2 and standard deviation of 12.
Find P (x < 83) using the table above
Names __________________________________
10. _______11. _______12. _______13. _______14. _______15. _______16. _______17. _______18. _______
Names __________________________________
10. _______11. _______12. _______13. _______14. _______15. _______16. _______17. _______18. _______
Answers10. C11. B12. D13. D14. A15. C16. D17. B18. A