MBA 624 Chapter 6 Quiz Questions and Answers 100% Correct/ (MBA 624 Chpt6HW)
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Course
MBA 624
Institution
Bellevue University
MBA 624 Chapter 6 Quiz Questions and Answers 100% Correct/ (MBA 624 Chpt6HW)
Question 1
A discrete random variable that follows the Poisson distribution with a mean equal to λ has a counterpart continuous random variable that follows the distribution with a mean equal to μ = 1/λ.
unifo...
a discrete random variable that follows the poisso
a smaller standard deviation for the normal probab
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Bellevue University
MBA 624
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MBA 624 Chapter 6 Quiz Questions and Answers
100% Correct/ (MBA 624 Chpt6HW)
Question 1
A discrete random variable that follows the Poisson distribution with a mean equal to λ has a
counterpart continuous random variable that follows the distribution with a mean equal to μ =
1/λ.
uniform
discrete
exponential
normal
Question 2
A smaller standard deviation for the normal probability distribution results in
a skinnier curve that is more spread out around the mean and not as
tall. a skinnier curve that is tighter and taller around the mean.
a fatter curve that is more spread out around the mean and not as
tall. a fatter curve that is tighter and taller around the mean.
Question 3
A survey conducted in 2011 asked employed adults from age 25 to 70 if they plan to keep a foot in the
working world after retirement. Thirty-three percent of the respondents answered "very likely". A
random sample of 75 adults from this age group was asked the same question. Using the normal
approximation to the binomial distribution, what is the probability that more than 18 adults from this
sample would very likely plan to keep a foot in the working world after retirement?
0.8413
0.9370
, 0.5557
0.6772
Question 4
A survey conducted in 2011 asked employed adults from age 25 to 70 if they plan to keep a foot in the
working world after retirement. Thirty-three percent of the respondents answered "very likely". A
random sample of 75 adults from this age group was asked the same question. Using the normal
approximation to the binomial distribution, what is the probability that 20, 21, 22, or 23 adults from this
sample would very likely plan to keep a foot in the working world after retirement?
0.2808
0.3794
0.6539
0.4560
Question 5
A survey conducted last year asked employed adults from age 25 to 70 if they plan to keep a foot in the
working world after retirement. Thirty-three percent of the respondents answered "very likely". A
random sample of 75 adults from this age group was asked the same question. Using the normal
approximation to the binomial distribution, what is the probability that 21 or fewer adults from this
sample would very likely plan to keep a foot in the working world after retirement?
0.3192
0.1075
0.4721
0.2119
Question 6
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