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1) The daily returns on a portfolio are normally distributed with a mean of 0.001 and a standard deviation of 0.002. What is the probability that the average return for the portfolio over the next 100 days exceeds 0.0015?
2) In May 1983, after an extensive investigation by the Consumer Product Safety Commission, Honeywell agreed to recall 770,000 potentially defective smoke detectors. The Commission suggested that about 40% of the Honeywell detectors were defective. However, Honeywell found only four defectives in a random sample of 2000 detectors and claimed that the recall was not justified. What is the probability of finding at most 4 defective detectors in a random sample of 2000 if, in fact, 40% of all detectors are defective?
if a given mesokurtic distribution has a mean of 100 and a standard deviation of 10 find the approximate value of the
find The probability that it is at least two hours until the first failure occurs, The probability that it is no more than six hours until the first failure occurs and The average time to the first failure.
a local environmental organization is interested determining if the proportion of red cars in a city has increased from
calculate the correlation coefficient r for the data
for 5459 pregnant women using aarhus university hospital in denmark in a two-year period who reported information on
the following data were collected in a study relating hypertensive status measured at the baseline to incident stroke
Finding the value of test statistic utilizing two-tail 't' test also interpret the result. The Commercial Bank as well as Trust Company is studying the use of its automatic teller machines.
a researcher wishes to be 99 confident that her estimate of the true proportion of individuals who travel overseas is
according to a report by scarborough research the average monthly household cellular phone bill is 73. suppose local
As sample size increases, the standard error of M _______________ .
1.At a local university, the Student Commission on Programming and Entertainment (SCOPE) is preparing to host its first rock concert of the school year.
It is claimed that 70% of the residents in a large town approve of the current zoning law. Four residents are to be randomly selected. Find the probability that:
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