Statistics and Probability Answers

A financial analyst has found out that policyholders are four times as likely to file two claims as to file four claims. If the number of claims filed has a posson distribution, what is the variance of the number of claims filed.

On 11 day in 10001000, there is a fire and the fire alarm rings.

On 11 day in 100100, there is no fire and the fire alarm rings (false alarm)

On 11 day in 10,00010,000, there is a fire and the fire alarm does not ring (defective alarm).

On 9,8899,889 days out of 10,00010,000, there is no fire and the fire alarm does not ring.

If the fire alarm rings, what is the (conditional) probability that there is a fire?

Written p(p(there is a fire | fire alarm rings))

PROBLEM SOLVING. Perform a hypothesis test and state your decision. (20 points).
1. The manager of a TV Station claims that the average rate in Manila watching their new sitcom
is 97.7% each day with a standard deviation of 5%. A student researcher who wants statistical
evidence on this claim conducted her own surgery with a selected sample of 5 cities. Her
surgery resulted to a mean of 95%. Using of 5% significance level, can it be concluded that the
average rate watching the new sitcom is less than 97.7%? (10 points).
a. H0: a:
H1:
b. Test statistic. What will be the z-test?
c. P-value.
d. Conclusion.
e. Interpretation.
2. Last year, the mean number of bags prod

Consider the population consisting of the values (1, 3, 8)

i. List all the possible samples of size 2 with replacement.
ii. Compute the mean of each sample.
iii. Identify the probability of each sample.
iv. Compute the mean of the sampling distribution of the means.
v. Compute the population mean.
vi. Compare the population mean with the mean of the sampling distribution of mean

A financial analyst has found out that policyholders are four times as likely to file two claims as to file four claims. If the number of claims filed has a posson distribution, what is the variance of the number of claims filed

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question in picture

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question in photo

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[img]https://upload.cc/i1/2020/05/09/pZyq9S.jpg[/img]

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whole question in picture,B=4,you can sub B=4