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The probability that a certain radioactive mass emits no particles in a one-minute time period is 0.1353. What is the mean number of particles emitted per minute?
Calculate x2, s2 and s for the expense data. Show that the two different formulas for calculating s2 give the same result.
What should the average weight be if the production manager wants no more than 5% of the products to weigh more than 10 ounces and determine the probability of the sample average number of strokes being more than 5.0.
By using 0.05 level of significance, is there any evidence of difference in mean life of bulbs produced by two kinds of machines?Calculate p-value and interpret its meaning.
Is it ok to change the level of significance to 0.05, because at that level you would be able to reject the null and accept the alternate?"
A sample of n = 5 scores has a mean of M = 12. If one person with a score of X = 8 is removed from the sample, what will be the value of the new mean?
general instructionsuse the spss data file produced from the national child development study ncds to answer the
A large population of overdue bills has balances that fallow a normal curve. When we take a sample of 100 of these the average is $500 and the standard deviation is $100.
You are estimating the cost ($K) of optical sensors based on the power output of the sensor. Using the preliminary calculations from a data set of 8 sensors, determine the equation of the line. (Round your intermediate calculations to 3 decimal pl..
a confidence interval for a population mean is 20.4 30.8. what is the value of the sample
Suppose that the population follows the normal distribution. Forty trucks are randomly selected and weighed. Within what limits will 95 percent of the sample means occur?
the computer-science aptitude scorenbspx and the achievement scorenbspynbspmeasured by a comprehensive final were
If 30 Samples of 100 items are tested for nonconformity, and 95 of the 3000 items are defective, find the upper and lower control limits for a p chart.
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