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If you randomly sample a single observation and get 32, what is the estimate of the population mean, µ? Can you get an estimate of the squared standard error? Explain, in terms of the squared standard error, why only a single observation is likely to be a less accurate estimate of µ versus a sample mean based on n = 15 participants.
the number of customers at quiet morning bakery is believed to follow a poisson distribution with a mean of 2 customers
the mean weight of penguins last year was 15.4 kg. in a random sample of 35 penguins the standard deviation of the
What is the probability that a component picked at random from the production line will have a lifetime - Sketch the normal and the standard normal distribution for this problem and shade the area corresponding to part d.
if the probability that event a occurs is 0.4 that event b occurs is 0.6 that event c occurs is 0.5 that both event a
Assuming 95% confidence, what is the recommended sample size if the desired margin of error is 1,000 miles? Would it be reasonable to obtain this sample size? Why/why not?
Assuming that the data may be looked upon as a random sample from a normal population, construct a 95% con?dence interval for the actual average air pollution index for this city and interpret.
The moment generating function of normal distributed random variable ,Y, with mean and variance .derive the moment generating function of X=-3Y+4.what is the distribution of X? why?
Using seven classes of equal width, arrange the above data in a less-than cumulative distribution. Let 350 tonnes be the lower limit of the initial class
What is the probability that an arriving customer will be served immediately and what is the long run expected number of cars in the system?
the mean for coaches is 90 with a sd of 12 and the mean for players is 70 with a sd of 10. what is the probability that
In a shipment of 58 vials, only 14 do not have hairline cracks. If you randomly select one vial from the shipment, what is the probability that it has a hairline crack?
question 1 a recent national survey asked adults if they thought the government should continue to fund nasas efforts
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