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It is known that the probability p of tossing heads on an unbalanced coin is either 1/4 or 3/4. The coin is tossed twice and a value for Y , the number of heads, is observed. For each possible value of Y , which of the two values for p (1/4 or 3/4) maximizes the probability that Y = y? Depending on the value of y actually observed, what is the MLE of p?
the temperature of an espresso drink which is normally distributed at a local coffee shop has a mean of 170 and a
There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected randomly. (a) Determine the standard error of the proportion.
Determine the z values for 29 and 34 hours. What percent of the garages take between 32 hours and 34 hours to erect?
A financial advisor has recommended two possible mutual funds for investment: Fund A and Fund B. The return that will be achieved by each of these depends on whether the economy is good, fair, or poor.
Seven employees were included from Area A, 9 from Area B and 12 from Area C. The test statistic was computed to be 4.91. What can we conclude at the 0.05 level?
The option to buy extended warranties is commonplace with most electronics purchases.But does the type of purchase affect a consumer's willingness to pay extra for an extendedwarranty? Data for 420 consumers who purchased big screen TVs and la..
the assembly line that produces satellite radios has historically resulted in a 3 defective rate. a random sample of
1. in a well known quiz show the contestant is asked to choose between door number 1 door number 2 and door
Let T denote the length of time that we have to wait, after we start our observation, for an occurrence. Have your program keep track of T. What is an estimate for the average value of T ?
What are the five steps for calculating probabilities of events? Please apply these steps to an example.
Find the probability that exactly 8 out of the 10 consumers recognize the brand name. Also find the probability that the number who recognize the brand name is not 8.
the utility company in a large metropolitan area finds that 70 of its customers pay a given monthly bill in full.a.
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