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Find out Estimation of binomial distribution. Assume that the mean parameter θ for the RV L is unknown. To estimate it, a random sample of n = 10 light bulbs is selected, and the lifetime of each light bulb is measured. Let X denote the number of those 10 sampled light bulbs that burn longer than 1000 hours. Suppose that X = 6 is observed. Use the hints below to estimate θ.
What kind of RV is X?
How do the parameters for X depend on θ?
Suppose X = E (X) and solve for θ.
Use value you found in part a to find out degree of confidence for interval 65.65
Solve this problem explicitly using all five steps of hypothesis testing, and illustrate your answer with a sketch showing the comparison distribution
The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals:
Is there significant evidence that this production run doesn't meet specifications? Use a 1% level of significance.
Run a multiple regression and interpret all the findings, R 2 , F, IV coefficients, and the intercept. Then in paragraph format, identify and report the following:
Use this information to set up a 90 percent confidence interval for the proportion, p of all US workers who play hooky.
To find out whether two categorical variables are independent, one should use the.
A concessionaire for the local ballpark has made a table of conditional values for the different alternatives also states of nature
Write down the probability of that the median of the sample or average medians is greater or more than 320 minutes?
Compute standard error of mean? Compute the margin of error, with 95% confidence.
For monthly volume of 300 tables, find out total cost, total revenue and profit.
The management of a regional bus line thought its cost of gas might be correlated with its passenger/mile ratio. Comment on the data and correlation matrix below.
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