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In a random sample of 5 parts on an assembly line, the probability that won of the parts is defect is 15% and follows a binomial distribution. What is the probability of 3 parts being defective?
Test out an suitable hypothesis also state your conclusion. Make sure the suitable assumption as well as conditions are satisfied before you proceed.
In an automatic geolocation system, a dispatcher sends a message to six trucks in a fleet asking their locations. The waiting times for responses from the six trucks are iid exponential random variables, each with expected value 2 seconds.
There were 3 defectives in the first batch and 5 in the second. Find a 95% confidence interval for the difference in the proportion of defectives.
An independent random sample of 250 items made by supplier B reveals that 38 are defective. Is one supplier more reliable than the other? Explain.
The proportion of whites in Connecticut is 0.90. The distribution of sample proportion of whites in samples of size 20 is somewhat left
A sample of 1545 men and an independent sample of 1691 women were used to compare the amount of housework done by men and women in dual-earner marriages.
understand interpret and be critical of the concepts of statistical signicance and p-values. statistical signicance is
Known that 15% of walls painted with this paint need more than 55 minutes to dry completely. Find the standard deviation of this distribution.
Compare the effectiveness of ltakuras method to the forward covariance method and Burgs method on a number of different signals.
Search the Internet to find three applications of statistical concepts that you find interesting, that you encounter on a daily basis, or that you find in your profession.
A) For each tire sold, what is the expected cost of the promotion? If required, round your answer to two decimal places. B) What is the probability that Grear will refund more than $50 for a tire? If required, round your answer to three decimal pla..
an electronic device dissipating 30 w has a mass of 20 gm density u03c1 2700 kgm3 a specific heat of 850 jkgk and a
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