Mean of the test
If a class of 589 students took a test. And the mean of the test was a 77.2 and the standard deviation was 13.4. Failing is getting below a 70. How many students failed the test?
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A random sample of 33 adult men had the mean weight of 182.5 pounds and a standard deviation of 22.5 pounds. Find out a 99% confidence interval for the mean weight of adult men
Assume the probability distribution X= number of jobs held during the past year for students at HFCC is as follows:
Consider a business research topic that interests you or is related to your current profession/employment and present a report answer the following questions:
The count in the culture of bacteria was 400 after 2 hours and 25,600 after six hours. Determine relative growth rate of bacteria population? Express the answer as the percentage.
In certain engineering schools of university, 60% of students are employed and 80% of the students are full-time. Ninety percent of the employed are full-time students.
A Binomial probability experiment is conducted with given parameters. Calculate the probability of x successes in the n independent trials of the experiment.
Incorporate any vertical/horizontal asymptotes if any. On grid provided, make right hand side of graph be end of one period. Scale the graph from there.
Calculate the mean and standard deviation of random variable x, the number of smokers who started before 18 in 400 trials of probability experiment.
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