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The amount of time to complete a physical activity in a PE class is approximately normally normally distributed with a mean of 36.2 seconds and a standard deviation of 5.2 seconds.
a) What is the probability that a randomly chosen student completes the activity in less than 33.9 seconds? Round to 4 decimal places.
b) What is the probability that a randomly chosen student completes the activity in more than 38.7 seconds? Round to 4 decimal places.
c) What proportion of students take between 32.3 and 39.1 seconds to complete the activity? Round to 4 decimal places.
d) 90% of all students finish the activity in less than seconds (round to 1 decimal place).
a) What is the correlation coefficient & how strong is it? b) What is the best fit regression equation that can predict the MBA GPA from the BS GPA? c) What percent of the variability in the MBA GPA can be explained by the regression model?
sentinal phoneback answers customer enquiries with telephone calls. when they timed a sample of 40 calls they found a
Determine if these data provide sufficient evidence, at the 1% level of significance, to conclude that the mean average sentence length in the document.
Super Markets, Inc. is considering expanding into the Scottsdale, Arizona, area. Ms. Luann Miller, Director of Planning, must present an analysis of the proposed expansion to the operating committee of the board of directors
Two fair dice are tossed twice. Find the probability that the sum is 10 or less on the first toss and the sum is 8 or more on the second toss.
The rest type AB. Someone volunteers to give blood, what is the probability that this donor has the complement of type O?
Debt ratio is 54%, capital intensity is 1.10 times, profit margin 12.5%, and the dividend payout is 25%. What is the sustainable growth rate?
Compute the standard deviation, range and coefficient of variation from the data in the table for each bank - Draw a box and whisker plot for the annual dividen
a population is estimated to have a standard deviation of 16. we want to estimate the population mean within 3 with a
For each of the following phrases write down the probability number that you feel is rep resented by the phrase. After doing so, check your answers to be sure they are consistent. [For example, is your answer to e less than your answer to j?]
the table below gives the size of the freshman class entering bsc for the past several years.class
You want to determine if the sample result gives good evidence that the true amount of the compound is not equal to 2 gms. Carry out the test, find the P-value, and state your conclusion.
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