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Unformatted text preview: selects water depths from a uniformly
distributed collection that vary between 2.00 m and 7.00 m. What is the expected value of the
water depth?
A. 1.4
B. 2.6
C. 2.5
D. 4.5 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Easy
Topic: Uniform Distribution 131. While conducting experiments, a marine biologist selects water depths from a uniformly
distributed collection that vary between 2.00 m and 7.00 m. What is the standard deviation of
the water depth?
A. 1.4
B. 2.6
C. 2.5
D. 4.5 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Easy
Topic: Uniform Distribution 1526 Chapter 01  An Introduction to Business Statistics 132. While conducting experiments, a marine biologist selects water depths from a uniformly
distributed collection that vary between 2.00 m and 7.00 m. What is the probability that a
randomly selected depth is within 1 standard deviation of the mean?
A. 0.320
B. 0.576
C. 0.600
D. 1.000 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Uniform Distribution 133. An apple juice producer buys all his apples from a conglomerate of apple growers in one
northwest state. The amount of juice squeezed from each of these apples is approximately
normally distributed with a mean of 2.25 ounces and a standard deviation of 0.15 ounce.
What is the probability that a randomly selected apple will contain between 2.00 and 3.00
ounces?
A. .0475
B. .4525
C. .9525
D. .9554 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Hard
Topic: Normal Distribution 1527 Chapter 01  An Introduction to Business Statistics 134. An apple juice producer buys all his apples from a conglomerate of apple growers in one
northwest state. The amount of juice squeezed from each of these apples is approximately
normally distributed with a mean of 2.25 ounces and a standard deviation of 0.15 ounce.
What is the probability that a randomly selected apple will contain between 2.00 and 2.50
ounces?
A. .500
B. .905
C. .9525
D. .9544 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Normal Distribution 135. An apple juice producer buys all his apples from a conglomerate of apple growers in one
northwest state. The amount of juice squeezed from each of these apples is approximately
normally distributed with a mean of 2.25 ounces and a standard deviation of 0.15 ounce.
What is the probability that a randomly selected apple will contain more that 2.50 ounces?
A. .9525
B. .4525
C. .0475
D. .5474 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Normal Distribution 1528 Chapter 01  An Introduction to Business Statistics 136. An apple juice producer buys all his apples from a conglomerate of apple growers in one
northwest state. The amount of juice squeezed from each of these apples is approximately
normally distributed with a mean of 2.25 ounces and a standard deviation of 0.15 ounce.
77% of the apples will contain at least how many ounces of juice?
A. 2.12
B. 2.38
C. 2.36
D. 2.14 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Hard
Topic: Normal Distribution 137. An apple juice producer buys all his apples from a conglomerate of apple growers in one
northwest state. The amount of juice squeezed from each of these apples is approximately
normally distributed with a mean of 2.25 ounces and a standard deviation of 0.15 ounce.
Between what two values (in ounces) symmetrically distributed around the population mean
will 80% of the apples fall?
A. [2.13 2.37]
B. [2.10 2.40]
C. [2.06 2.44]
D. [1.95 2.55] AACSB: Analytical Studies
Bloom's: Application
Difficulty: Hard
Topic: Normal Distribution 1529 Chapter 01  An Introduction to Business Statistics 138. Find z when the area between 0 and z is .4750
A. 1.96
B. 1.96
C. 0.68
D. 0.68 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Easy
Topic: Normal Distribution 139. Find z when the area to the right of z is .1314
A. 1.12
B. 0.55
C. 0.55
D. 1.12 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Normal Distribution 140. Find z when the area to the left of z is .6700
A. 0.75
B. 0.44
C. 0.44
D. 0.75 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Normal Distribution 1530 Chapter 01  An Introduction to Business Statistics 141. Find z when the area between z and  z is .9030
A. 1.50
B. 1.30
C. 0.12
D. 1.66 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Normal Distribution 142. Find z when the area to the left of z is .05
A. 1.645
B. 1.00
C. 1.645
D. 1.96 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Normal Distribution 143. A paint sprayer coats a metal surface with a layer of paint between 0.43 and 1.23
millimeters thick. The thickness of the coat of paint is approximately uniformly distributed.
What is the standard deviation of the thickness of the coat of paint on the metal surface?
A. .83
B. .23
C. .48
D. .40 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Uniform Distribution 1531 Chapter 01  An Introduction to Busine...
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This document was uploaded on 01/20/2014.
 Winter '14

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