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Question - Suppose X is a hypergeometric random variable with sample size 8, population size 16, and number of successes in the population 12.
a. List the possible values for X.
b. Find the mean, variance, and standard deviation of X.
c. Find P(X = 5).
d. Find P(X = 8).
Construction of confidence interval for difference between first and second sample mean revealed interval to be 10 plus or minus 12. We conclude.
What statistical test should be used to analyze these data? Identify H0 and Ha for this study. Conduct the appropriate analysis.
Estimate the first-year college GPA for a student whose high school GPA was 3.5.
information from the department of motor vehicles indicates that the average age of licensed drivers is micro 45.7
A national survey of restaurant employees found that 75% said work stress had a negative impact on their personal lives. A sample of 100 employees from a popular restaurant chain finds that 68 answer
Determine the 95% prediction interval for the overall rating of an individual notebook computer with a $1000 street price, a performance score of 100, and a 2.50-hour battery life.
In November 2009, 65% (0.65) of Americans favored the death penalty for a person convicted of murder. In November 2010, 1025 adult Americans were asked by the Gallup organization,
A haulage contractor has two loads to deliver to separate customers. He has 4 trailers of which 2 are new. If the trailers are randomly chosen for any particular delivery: (a) In how many ways can the trailers be allocated the deliveries?
The useful life of an electrical component is exponentially distributed with a mean of 2500 hours. a. What is the probability the circuit will last more than 3,000 hours.
A one-way analysis of variance test was significant at the p = 0.009 level. Use MSE = 26.92 to find the Bonferroni 95% confidence intervals for all pairwise differences. Draw a graph to represent the results.
Discuss how scale impacts the interpretation of a graph and name the lowest number of a statistically significant sample size and state the statistically appropriate percentage total of displays
What conclusions can you reach about the relationship between the battery capacity and the digital-mode talk time? You would expect the cell phones with higher battery capacity to have a higher talk time. Is this borne out by the data?
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