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Let X be a continuous random variable that has a normal distribution with the mean=48 and standard deviation=8. Assuming n/N is less than or equal to 0.05, find the probability that the sample mean, x-bar , for a random sample of 16 taken from this population will be more than 45.30.
Round your answer to four decimal places.
What statistical test did the researchers use to determine if there was a statistically significant difference in levels of self-esteem between the boys and the girls?
In a major industry where well over 100,000 manufacturing employees are represented by a single union, a simple random sampling of n = 100 union members.
How much profit can we gain by selling shoes? Can the magazine and/or th companyy profit by advertising and selling mens shoes?
A state meat inspector in lowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled " 3 pounds." Of course, he realizes that the weights cannot be precisely 3 pounds.
The central university has a student population of 60000. The university is interested in determining what proportion of them is in favour of a new grading system.
Which variable accounted for the most variability in PCS - how likely is it that a person would have been a diabetic for 45 years?
question mara bought some flowers to plant in her garden. when she separated the plants into groups of three or five
Suppose the daily amount of solar radiation in Los Angeles is normally distributed with mean 450 calories and standard deviation 50. Determine the probability that for a randomly chosen day, the amount of solar radiation is between 350 and 550.
Determine whether the following are demonstrative definitions, enumerative definitions, definitions by subclass, synonymous definitions, etymological definitions, operational definitions, or definitions by genus and difference.
An employer is involved in a lawsuit concerning work discrimination.- Does it appear that the employer favors some ethnicities over others when considering candidates for promotion?
A random sample of five observations from the first sample resulted in a standard deviation of (12). A random sample of seven observations from the second sample gave a standard deviation of (7) at the (.01) significance level.
low reliability of the variables reduces the correlation coefficient becausea. the deviation scores are less likely to
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