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Suppose 1.5 percent of the antennas on new Nokia cell phones are defective. For a random sample of 10 antennas, find the probability that:
a. None of the antennas is defective.b. Three or more of the antennas are defective.c. At most 3 are defective.d. All 10 antennas are defective.
Using an example from a hospital, create a mock data set for two specific variables of importance within hospital (minimum of 20). The data may be used for quality measures, patient inputs, demographics, financial data, etc.
The heights of adults in one town have a mean of 66.3 inches and a standard deviation of 3.3 inches. What can you conclude from Chebychev's theorem about the percentage of adults in the town whose heights are between 59.7 and 72.9 inches..
If Molly and Kathleen wishes to make a profit of $5,000 for summer, how many pupils do they require to enrol?
A student must choose one of the subjects, art, geology, or psychology, as an elective. She is equally likely to choose art or psychology and twice as likely to choose geology.
What then is the probability that a shaft will be acceptable? Suppose that the diameter of the shaft is a random variable that is Normally distributed.
The data below are the numbers of hours of homework done as reported by 24 high school juniors for the last week in September 2006.
Compare two month moving average also exponential smoothing using MAD. The subsiquent data represents demand for company ABC's products for the last 10 months.
2 to every even-numbered card, with aces being 1s. Determine the frequencies of 0, 1, and 2. Use SPSS to get the value of test statistic and p-value.
Jasmine is an African American graduate student. She is conducting research on the effects that affirmative action programs have had on American corporations.
The article can be on Descriptive Statistics, Probability and the Normal Distribution, Sampling and Sampling Distributions, Regression Analysis, or Time Series Forecasting.
Assume that a single radar unit used to detect incoming missiles has a probability of 0.90 of correctly detecting an incoming missile attack.
You sample a group of computers and use the sample statistics to calculate a 95% confidence interval of (-10.95, -1.5). This interval estimates the difference of (average boot time (HDD) - average boot time (SSD)). What can we conclude from this i..
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