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The mean salary paid to 1000 workers of an industry was found to be Rs. 130, 40. Later on it was discovered that the salary of the two employees was wrongly entered as Rs. 297 and 165. Their correct salaries were Rs. 197 and 185. Find the correct mean.
identify a peer-reviewed journal article health based published in the last 5 years that uses the poisson distribution.
A retailer believes that its new advertising strategy will increase sales. Previously, the mean spending in 15 categories of consumer items in both the 18-34 and 35+ age groups was $70.00. (For all hypothesis tests, assume the level of significanc..
consider the experiments first draw a poisson random variable n with parameterlambda. then perform n independent
there is a 25 chance that a fuse of a certain type is defective. approximate the probability of having more than or
Find a 99% confidence interval for mu1-mu2, the difference in population means when it is known in advance that the population variances are 4 and 5 respectively.
The input to a filter is a discrete-time zero-mean random process.- Find the autocorrelation function of the output.
Some television stations attempt to gauge public opinions by posing a question on the air and asking viewers to call to give their opinions.
Let X1, X2,... denote an iid sequence of random variables, each with expected value 75 and standard deviation 15. (a) How many samples n do we need to guarantee that the sample mean Mn(X) is between 74 and 76 with probability 0.99?
The pie chart summarizes the genres of 120 first-run movies released in 2005.- Is this an appropriate display for the genres? Why/why not?- Which genre was least common?
Discuss the organizational structure in a typical health care facility. What barriers might this create and what are some remedial measures?
A random sample of 9 homes was selected in the neighborhood. What's an estimate of the average price of the houses in the sample?
Machines used to fill food cartons are usually set to slightly overfill the boxes so that the contents will not weigh less than the advertised net weight. This takes into account the fact that the actual weight of each box varies somewhat from th..
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