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Suppose the probability of suffering a side effect from certain flu vaccine is 0.005. If 1000 persons are inoculated, find the approximate probability that:
(a)At most 2 persons suffer(b)4,5 or more persons suffer
Describe a psychological research situation or scenario that would use a nonparametric test. Why would the nonparametric test be used?
Suppose that n trials of a binomial experiment result in no successes.
Choose the proper conclusion regarding the claim that the population have different variances.
Mmore than 520gms, within 10grms of the stated weight & weight that only 5% of bottles contain less than this weight?
Plot a scatter diagram of the results with Depth of Water as the independent variable.
Given that Vacationer will travel less than 500 miles, Find out the probability that he/she will drive or take the Bus/Train?
Standard deviation equal to 500 and 50 hours, respectively. Find the probability that a random sample of 15 bulbs will have an average life of less than 475 hours.
Suppose you are in a class of 120 students. What is the probability that at most 42 students will say that they frequently experience stress in their daily lives?
Assume X is an exponential random variable with parameter lambda. Find the method of moments estimator for lambda.
Standard deviation of $50. Provide a 95% confidence interval estimate of the variance of the population of the checking accounts.
Generate a 95% CI for the difference in proprotions of particpants reportinga reduction of symptoms between the experimental and placebo groups.
Clinic evaluates that true population standard deviation is around $1,300. If confidence level is 95%, determine the required sample size in order to meet desired accuracy.
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