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Industry standards suggest that 7 percent of new vehicles require warranty service within the first year. Jones Niussan, in Sunter SC sold 10 Nissans yesterday.
a. What is the probability that none of these vehicles requires warranty service>
b. What is the probability that exactly one vehicle requires warranty service?
c. Exactly two vehicles require warranty service?
d. Compute the mean and standard deviation of this probability distribution.
a sample of the homes currently offered for sale revealed that the mean asking price is 75900 the median 70100 and the
New soft drink is being market tested. A sample of 400 individuals participated in the taste test and 100 indicated that they like the taste. Set up the null and the alternative hypotheses.
Find the probability of committing a type I error.
The historical reports from two major networks showed that the mean number of commercials aired during prime time was equal for both networks last year.
Is it reasonable typical worker does not miss any days during a pay period?
message 1. a survey of the number of calls received by a sample of southern phone company subscribers last week
Identify the null hypothesis, alternative hypothesis, test statistic, P-value and conclusion about the null hypothesis. Use the P-value method.
Confidence intervals for the population mean number of that color of M&Ms in a pack. You may assume that the M&M are approximately normally distributed. Which form of the formula did you use and why?
"MagTek" electronics has developed a smart phone that does things that no other phone yet released into the market-place will do. The marketing department is planning to demonstrate this new phone to a group of potential customers, but is worried abo..
If the power plant of this city has a daily capacity of 12 million kilowatt hours what is the probability that this power supply will be inadequate on any given day.
State a hypothesis.
the lifetime of zzz batteries is normally distributed with a mean of 270 hours and a standard deviation of 10 hours.
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