What is the lowest z-value for the highest 2% of observations on the standard normal distribution?
What is the lowest z-value for the highest 2% of observations on the standard normal distribution?
a.-2.0537
b.-0.8416
c.0.8416
d.2.0537
The daily sales of a retail store are normally distributed with a standard deviation of $500.If the probability that sales will be less than $10,000 in any one day is 40%,what are the mean daily sales?
a.$9,873.35
b.$10,126.65
c.$12,533.65
d.None of the above
a.-2.0537
b.-0.8416
c.0.8416
d.2.0537
The daily sales of a retail store are normally distributed with a standard deviation of $500.If the probability that sales will be less than $10,000 in any one day is 40%,what are the mean daily sales?
a.$9,873.35
b.$10,126.65
c.$12,533.65
d.None of the above
英語(yǔ)人氣：508 ℃時(shí)間：2020-04-29 15:50:51
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cd.
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