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The overhead reach distances of adult females are normally distributed with a mean of 195 and a standard deviation of 8.9. a. Find the probability that an individual distance is greater than 208.40 cm. b. Find the probability that the mean for 20 randomly selected distances is greater than 192.80 c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30?
In the last month, the average number of items produced by 16 employees was 200. If 15 of the 16 employees produced a total of 6000 units, how many units did the 16th employee produce?
Nyanza textile ltd sells six brands of shower-proof jacket. The prices and the numbers sold in week are
Price 18,20,25,27
Number sold 8,6,5,2
Question.
Calculate the Pearson correlation coefficient for the data above. Interprete your results.
With the aid of a table, find the sample Standard Deviation of the following dataset:
X = {2.2, 4.7, 6.3, 5.8, 5.7, 7.2, 2.6, 2.4, 6.1, 6.8}
In the given table on the below, solve for Pearson r and interpret the result
X 80,84,86,87,89,90,91,93,94,96
Y 78,83,80,84,89,90,88,91,93,96
Solve for r and interpret the result
X 2,4,6,7,10
Y 8,10,12,6,16
the standard deviation of adults riding a bus is 1.5
a book has four misprints per page(on avarage ),what is the probabilitythat a page open at random will have no misprints on it?
Construct a curve then shade the region corresponding to the obtained area from The weights (in kg) of 11-STEM B follow a normal distribution and has a mean of 50 and a standard deviation of 5. How many students have weights greater than 57?
The weights(kg) of 11 stem B follow a normal distribution and has a mean of 50 and a standard deviation of 5 how many students have weights greater than 57?
