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"Two US governors are selected at random without replacement. Find the probability that the first is a Republican and the second is a Democrat."
"Find the Probability that both are Republicans."
"What is the probability that the two governors selected have the same political party?"
"What is the probability that the two governors selected have different political parties?"
Textbook provided a frequency distrubition table
Democrat 20
Republican 30
Do air carriers have economies of scale at any level? Economies of density ? Discuss and support your answer with examples.
An airline claims that 72% of all its flights to a certain region arrive on time. In a random sample of 30 recent arrivals, 19 were on time.
Can the time premium ever be negative? Hint: Find the price of a put option with S= $0.00 and compare it to its intrinsic value.
a random committee of size 3 is selected from 4 doctors and 2 nurses. write a formula for the probability distribution
Three-month period actually exceeds 1.5 days. Would it be reasonable to conclude that the mean amount of unpaid time lost has increased above the previously estimated 1.0 days? Explain.
The following data are estimated worldwide appliance sales (in millions of dollars). Use the data to construct a pie chart for the worldwide appliance sales of the listed manufacturers.
The following are quoted interest rates (%) on Italian bonds.- Plot the data; find µ, σ, and σ2; and identify outliers (one is private, the rest are banks and government).
Assuming that the standard deviation and the normal shape are unchanged, to what level must the mean reduce so that 20 gallons per week is the third quartile rather than the mean?
In a study of hypnosis, breathing patterns were observed in an experimental group of subjects in a control group. The measurements of total ventilation (liters of air per minute per square meter of body area) are shown below.
Assuming normality, what is the probability that for n = 9 randomly sampled clients, the sample mean will have a value between $700 and $800?
Suppose event A and event B are mutually exclusive with the P(A)=12 and P(B)=1/3.Which of the following statements best describes these two events?
suppose iq scores were obtained from randomly selected twins. for 20 such pairs of people the linear correlation
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