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(a) Use a computer program to calculate the exact probability of obtaining one or more defectives in a sample of size 100 taken from a lot of 1,000 manufactured products assumed to contain six defectives.
(b) Approximate this probability using the appropriate binomial distribution.
(c) Approximate this probability using the appropriate Poisson distribution and compare the results of parts (a), (b), and (c).
recoding a new variable to the data of people who have voted
Produce the scatter plot for x3 and y3. Do you think there are any outliers?Calculate the correlation coefficient (r) for all the data points What does the p-value in your SPSS output tell you?
To illustrate that the mean of a random sample is an unbiased estimate ofthe population mean, consider five slips of paper numbered 3, 6, 9, 15, and 27
The standard deviation of test scores on a certain achievement test is 11.4. A random sample of 100 scores on this test had a mean of 71.2. Based on this sample, find a 90% confidence interval for the true mean of all scores. Complete the below:
x is a normally distributed random variable with a standard deviation of 4.00. find the mean of x if 12.71 of the area
scores on the sat mathematics test are believed to be normally distributed with mean micro. the scores of a random
suppose that 76 of americans prefer coke to pepsi. a sample of 80 was taken. what is the probability that at least
Testing equality of variances - evidence of a difference in the variability of monthly talking time on cell phones for men and women?
question for the last 29 years the operator of a toll bridge has kept records of the use of the bridge during
What price should the manufacturer charge the type 1's? How large a discount could the coupons offer without tempting the type 1's to use them?
If the probability of heads is 0.5, and a penny is tossed three times and comes up heads all 3 times, what is the probability of heads on the 4th trail?
Some researchers have conjectured that stem-pitting disease in peach tree seedlings might be controlled with weed and soil treatment. An experiment was conducted to compare peach tree seedling growth with soil and weeds treated with one of two her..
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