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Question: 1. A distribution is given as X ~ U (0, 20). What is P(2
2. The total duration of baseball games in the major league in the 2011 season is uniformly distributed between 447 hours and 521 hours inclusive.
a. Find a and b and describe what they represent.
b. Write the distribution.
c. Find the mean and the standard deviation.
d. What is the probability that the duration of games for a team for the 2011 season is between 480 and 500 hours?
e. What is the 65th percentile for the duration of games for a team for the 2011 season?
consider the question what is the probability of getting a 6-card poker hand that contains a card from all four suits
Measurements made on the internally compensated amplifiers listed below provide the dc gain and the frequency at which the gain has dropped by 20 dB. For each, what are the 3 dB and unity-gain frequencies?
in a batch of 8000 clock radios 8 are defective. a sample of 12 clock radios is randomly selected without replacement
the population of a certain city is now 74000 people. if the population doubles every 25 years what will the
Let Σ be a (p x p) partitioned covariance matrix. The coefficients that maximize the correlation between the linear combinations u =aTX(1) and v = βTX(2) are the latent vector solutions of the systems of equations.
Assume you want to estimate the population proportion,p, and the estimator for the mean proportion (p-hat)= 0.34, N = 6000, and n = 1300. Find an approximate 95% confidence interval for p.
Estimate with 90% confidence the mean number of weeks out of town, assuming that the population is normally distributed with a standard deviation of 6 weeks.
The foreman at a large plant estimates defective parts about 1.5% of the time. If the plant produces 25,000 parts in a week, what is the standard deviation (to the nearest tenth) for the number of defective parts?
The accompanying observations are numbers of defects in 25 1-square-yard specimens of woven fabric of a certain 1, 5, 4, 6. Construct a c chart for the number of defects.
(b) Nonterminals that derive no terminal string are removed. Does the order of the above tasks matter? If so, which order is preferred?
1. Assume the random variable X is normally distributed with mean µ=85 and standard deviation o=5. Find the indicated probability.
Three radar sets, operating independently, are set to detect any aircraft flying through a certain area. Each set has a probability of .02 of failing to detect a plane in its area. If an aircraft enters the area, what is the probability that it g..
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