Chapter 7: Q.33 (page 429)
What is P(Σx < 1,186)?
Short Answer
The
Chapter 7: Q.33 (page 429)
What is P(Σx < 1,186)?
The
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Get started for freeA uniform distribution has a minimum of six and a maximum of ten. A sample of is taken.
Find .
A uniform distribution has a minimum of six and a maximum of ten. A sample of is taken.
Find the third quartile for the sum.
For the sums of distribution to approach a normal distribution, what must be true?
82. Would you be surprised, based upon numerical calculations, if the sample average wait time (in minutes) for 100 riders was less than 30 minutes?
a. yes
b. no
c. There is not enough information.
The length of time a particular smartphone's battery lasts follows an exponential distribution with a mean of ten months. A sample of 64 of these smartphones is taken.
Find the middle 80% for the total amount of time 64 batteries last.
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