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There are two coins in a basket. One coin has the probability of head 0.5 and for the other coin the probability of head is 0.25. A coin is drawn at random from the basket with equal probability and tossed 5 times. a) What is the chance of observing 3 heads and 2 tails? b) Suppose that we have observed 3 heads and 2 tails, what is the probability that the coin we have selected is the unbiased one, i.e. the one in which P(H) = 0.5?
How much "error" is too much before you are no longer confident about your estimates or research findings? Do sampling methods have anything to do with this?
An English professor is attempting to estimate the mean number of novels that the student body reads during their time in college.
HI6007 Group Assignment. Develop estimated regression equations, first using annual income as the in- dependent variable and then using household size
Find the probability that it has a defective bulb or defective battery, a good bulb or good battery,a good bulb and good battery.
Compute the probability that neither customer purchases (# purchases = 0), and enter your answer with 3 decimal places.
A collection of tickets comes in four colors: red, blue, white, and green. There are twice as many reds as blues, equal numbers of blues and whites.
In January 2013, flaws were discovered in two Boeing 787 Dreamliners aircraft. Japan Airlines found cracks in the cockpit window in one jet and a minor
There were a large number of foreclosures of family homes. In one large community, realtors randomly sampled 36 bids from potential buyers to determine the average loss in home value. The sample showed the average loss was $11,560 with a standard ..
Fish Caught in Spain According to the Eurostat Statistics Database, Spain accounts for 19% of the total fishes caught in the European Union (EU).
a. Transform the raw score for the independent variable to a z score. b. Calculate the predicted z score for the dependent variable.
Compute the 95% confidence interval on theproportion of times this person can predict coin flips correctly. Whatconclusion can you draw about this test of his ability to predict the future - Find the confidence interval on the population mean.
Of the 100 female patients , 15 still had gonorrhea, what is the estimated failure rate of drug A.
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