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1. Glucose levels in patients free of diabetes are supposed to follow the normal distribution with mean of 120 and a standard deviation of 16.
a) Determine proportion of patients have glucose levels exceeding 115?b) If the patient has glucose level of 140, what percentile is this?c) Determine the probability that mean glucose level exceeds 115 in a sample of 12 patients?
What is the 'Equally-likely Outcomes Model of Probability?" What is the formula for this model of probability?
A sustained long-term change in the level of the variable that is being forecasted per unit of time is: (A trend, A time series, Seasonality or A change due to business cycles)
Correlation based on Scatter Plot - Draw the scatter plot for the variables.
The p-value for a test statistic is .085, what is the minimum level of significance required to reject the null hypothesis?
Suppose it is known that if you offer free samples o a product, at least 52% of adults are more likely to buy the product. You interview a random sample of 50 adults.
Determine fraction of employees cost between $1,500 and $2,000 per year?
In the past, of all the students enrolled in "Basic Business Statistics" 10% earned A's 20% earned B's, 30% earned C's, 20% earned D's and the rest either failed or withdrew from the course.
Shown below are rental and leasing revenue ?gures for of?ce machinery and equipment in the United States over a seven-year period according to the U.S. Census Bureau. Use these data to run a linear regression and then forecast the rental and leasi..
(a) What is the relative frequency (i.e., proportion) of observations falling in the 0.260-0.280 interval? (Give your answer to four decimal places.) (b) What is the shape of the data distribution?
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:
What is the value of the sample test statistic? (Round your answer to two decimal places.) Find the P-value of the test statistic. (Round your answer to four decimal places.)
A random sample of 56 people measured accuracy w/ positive errors representing watches that are ahead of the correct time and negative rep. those behind the time.
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