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Table given below presents the number of surface finish defects in the primer paint found by visual inspection of automobile hoods that were painted by a new experimental painting process. Construct a histogram for these data.
TABLE 3.3
Surface Finish Defects in Painted Automobile Hoods
6
1
5
7
8
0
2
4
3
12
1.an inventor claims that a device increases gas mileage by 4. a test of the device was done by randomly selecting 10
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes.
1. a random sample is collected of size n from a population with standard deviation and with the data collected a 95
For the total population of a large southern city, mean family income is $34000, with a standard deviation (for the population) of $5000.
suppose that a certain college class contains 65 students of these 35 are seniors 37 are economic majors and 7 are
What is the probability that the dealer busts and you may assume that the dealer is usign only 1 deck, and that you have not observed the values of any other cards.
For 1989 and 1990 Dave Johnson had the highest decathlon score in the world. When Johnson reached a speed of 32 ft/sec on the pole vault runway, his height above the ground t seconds after leaving the ground was given by h= -16t^2+32t.
suppose that an ink cartridge is classified as being overfilled medium filled or underfilled with a probability of
Use the trend equation to calculate the points for 2003 and 2005. Plot them on the graph and draw the regression line.
a number of tubes of toothpaste purchased by a typical family is a random variable having a poisson distribution with
At the .05 significance level, can the developer conclude there is a difference in the mean income? Use the five-step hypothesis testing procedure.
Mention all samples of size 3, and compute the mean of each sample. Compute the mean of the distribution of sample means and the population mean.
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