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Estimating the individual score using normal distribution.
Systolic blood pressure for men is normally distributed with a mean of 120 and a standard deviation of 8. 40% of men have a blood pressure higher than what amount?
Find out a linear equation in the form P = mt + b (y = mx + b) that gives the population, P, t years from 2010.
Compare value of test statistics F obtained in part(2) with value of t 2 , square of test statistic for testing H 0 : β 1 =0 that was needed in test null hypothesis that true slope is 0. Interpret the results of this test.
In a poll of 1,004 adults, 93% indicated that restaurants and bars should refuse service to patrons who have had too much to drink. Construct the 90% confidence interval for the proportion of all adults who feel the identical way.
The intelligence Quotient test scores normally distributed with a mean of 100 and a standard deviation of 15.
The p-value for a test statistic is .085, what is the minimum level of significance required to reject the null hypothesis?
What is your conclusion regarding null hypothesis?
Using the following data on 15 workers, construct an exact 95% confidence interval for µ.
Confirm whether given random variable is binomial distribution or not. If this experiment is finished with replacement, explain why.
A state survey investigates either the proportion of 8percent for employees who commute by car to work is higher than it was five years ago.
Which of the following assumptions for inference about a proportion using a confidence interval are violated,
Find the probability using the Poisson distribution.
For monthly volume of 300 tables, find out total cost, total revenue, and profit.
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