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The average time to complete the certification exam is 2 hours and 40 minutes (160 minutes) with a standard deviation equal to 25 minutes. Assume normal distribution applies.
1) What is the probability that a random individual finishes the exam in exactly two hours (120 minutes)?
find the average and the sd for the list 11 15 9 7 3. using the average and sd you found convert the values in the list
The one-dimensional monatomic harmonic crystal (section 5.3) is in fact a particular case of the diatom ic model described in section 5.4, for which the two atoms are identical.
two cards are drawn without replacement from a standard deck of fifty-two cards. find the probability of these
Fawns Fawns among1 or 5 months old in Mesa Verde National Park have a body weight that is approximately normally distributed with mean
Suppose we wish to compute 95% Tukey simultaneous confidence intervals to compare the mean durability of the different paints. Use the MINITAB output to help you to calculate the margin of error for these intervals. DO NOT CALCULATE THE INTERVALS!
What is the difference between the author's pulse rate and the mean? How many standard deviations is that [the difference found in part (a)]?
There is a "right" answer to this question, so think carefully and review your text and notes if necessary.
Quartiles for Normal distributions. The quartiles of any distribution are the values with cumulative proportions 0.25 and 0.75.
Find the critical values necessary to construct a 95% confidence interval for the ratio of population variances.- Construct the confidence interval.
We could then perhaps form a linear regression by charting the points of IQ for each person and their mother on a graph to determine if a correlation can be made between the IQ score of the individual and the IQ score of the mother. If the scores ..
Problem: What is descriptive statistics and what is pearson correlation statistic procedures?
If one household from the survey is selected at? random, what is the probability that it will have Internet access or? cable?
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