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The raw milk case I get contains 29 other purchasers raw milk. The number of bottles I need to move in the fridge to find my bottle is a random variable. The probability I break a glass bottle while trying to find my bottle is 5%.
A. What is the probability I break two or more bottles?
B. What is the expected number of bottles I break?
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A political action committee decided to poll its membership to determine if they were in favor of a certain potential law, similar to gun control.
if the endpoints of a confidence interval for the difference between a pair of treatment means are both positive
Why might normality be an issue here? (c) What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence? (d) If this is not a reasonable requirement, suggest one that is.
Assume that 6 customers enter store and that these customers make independent purchase decisions. Use binomial formula to compute probability that exactly five customers make purchase.
1. determine if this is an example of probability or statistics the average cost of groceries has risen by 4.2 in the
The proportion of 25-29 year olds who are smokers is 0.032
Why might supposition of normal population be doubtful? Problem arises when?
Assume that the histogram of the data is approximately bell-shaped. Approximately how many of the 260 students had sleep times between 355 minutes and 455 minutes per night?
A clothing manufacturer tests an SRS of 3 specimens of each fabric. (a) What is the probability that the mean breaking strength of the 3 untreated specimens exceeds 49 pounds.
A random sample of size 25 is taken from a normal population having a mean of 80 and a standard deviation of 5. A second random sample of size 36 is taken from a different normal population having a mean of 75 and a standard deviation of 3.
a car enters a curved road at speed of 100kmh and slows down with constant decelaration to 50kmh in 12 sec.
The graduate selected will be a male who is not a member of a sports team? What is the probability that the graduate will be either a female or a member of a sports team?
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