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When do creative people get good ideas? Assume that the survery of 965 inventors give the following information:
Time of Day When Good Ideas Occur
Assuming that the time interval includes the left limit and all the times up to but not including the right limit, estimate the probability that an inventor has a good idea during the time interval from 6pm-midnight. Write answer as a fraction in simplest form.
The distribution of bladder volume in women is approximately N(400,75) in milliliters. Find the proportion of women's bladders with a volume between 500 and 600m.
A high of 10 was possible. A sample of five tests was selected from each group. The test grade results are found below. At the 0.01 level, how many treatments are involved?
a researcher conducts an independent-measures study examining how the brain chemical serotonin is related to
A new car is designed to run a mean of at least 50 000 kilometers before its first tune-up. Tests with 30 cars show a sample mean of 49 500 kilometers and a sample standard deviation of 1000 kilometers.
let x be a random variable that represents the amount of a randomly selected monthly cell phone bill. we know that x
Prediction equation is y^ = 30 + 0:60x. Determine predicted final exam score for student who has (i) midterm score = 100, (ii) midterm score = 50. Note that predicted nal exam score regresses toward mean.
What is the probability that the first order will come on the fourth sales call of the day? Please show work and round to 4 decimal places.
A) Resistant statistics should always be used. B) Resistant statistics should be used when the data is not bell-shaped. C) Sensitive statistics should be used when the data is not bell-shaped. D) Sensitive statistics should always be used. E) Resista..
Use relative frequencies to estimate the probability that a seed will not germinate. What is your estimate? Use relative frequencies to estimate the probability that a seed will not germinate.
In a poll of 400 randomly selected voters, 204 of them support the strategist's candidate. At = .05, is the political strategist's claim warranted?
Perform exploratory data analysis on CreativityPre and CreativityPost. Using SPSS, calculate the mean and standard deviation of these two variables.
Popcorn kernels take between 100 and 200 seconds to pop. What sample size (number of kernels) would be needed to estimate the true mean seconds to pop with and error of 5 seconds and 95% confidence level?
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