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A batch of 50 car batteries is scheduled to be shipped. However, the batch will only be shipped if a randomly selected sample of 5 batteries, sampled without replacement from the batch in such a way that every sample of size 5 has the same probability of being selected, has one or fewer defective batteries.
It is known that there are 6 defective batteries in the batch.
a) What are the possible values of the number of defective betteries in the sample?
b) What is the pribability the batch will be shipped?
c) What is the expected number of defective batteries in the sample?
d) What is the standard deviation of the number of defective batteries in the sample?
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Use the population standard deviation along with the sample mean, S, and find a 92% confidence interval for the population mean. Is the true population mean contained in this interval?
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a security camera is used to monitor a particular survillence area to report wheather there is any threat present or
A particular company offers a 500$ deductible policy. If the company wishes its expected profit to be $100, what premium amount should it charge?
Your office has just received 128 in insurance claims to be processed in the next few days. What is the probability that half or more of the claims have been padded?
The grades of 20 students are listed in the stem and leaf diagram below. What is the probability of randomly selected student to have a grade more than or equal to 60 and less than or equal to 80.
Construct a 95 percent confidence interval for the difference in proportions for the two populations represented by these samples.
If a researcher decides to use multiple comparisons in a study with three conditions, what is the probability of a Type I error across these comparisons? Use the Bonferroni adjustment to determine the suggested alpha level.
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