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75 packages are randomly selected
A shipping company received an order of 1645 packages. The manager needs to determin the mean weight of the packages. (A) How
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Joe
620 views
75 packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 10.2 pounds and a
1 answer
asked by
Elizabeth
570 views
1.Find P(Z<-1.97 or Z>2.5),P(-2.08<Z<2.08) and P(0<Z<1.73)
2.The masses of packages from a particular machine are normally
3 answers
asked by
Raj
543 views
A UPS employee, Davis, packs and labels three types of packages: basic packages, business packages, and oversized packages.
1 answer
asked by
Julie
792 views
Scores for men on the verbal portion of the SAT-I test are normally distributed with a mean of 509 and a standard deviation of
1 answer
asked by
TJ
999 views
Scores for men on the verbal portion of the SAT-I test are normally distributed with a mean of 509 and a standard deviation of
0 answers
asked by
Preet
720 views
Scores on a visual perception test are normally distributed with a mean of 2020 and a standard deviation of 250.
a)If one subject
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asked by
Sunshine
617 views
Scores on a visual perception test are normally distributed with a mean of 2020 and a standard deviation of 250.
a)If one subject
1 answer
asked by
Sunshine
655 views
the probability that a randomly selected 4 year old male feral cat will live to be 5 years old is 0.87886. (a)what is the
1 answer
asked by
john
1,617 views
Assume that women's heights are normally distributed with a mean given by u=64.6 in
and a standard deviation given by 0=2.8in. a)
5 answers
asked by
angela
7,160 views