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A well-insulated rigid tank of volume 10 ft^3 contains carbon dioxide, initially at 30 psia and 60 degrees F. The tank is connected to a large supply line carrying carbon dioxide at 120 psia, 100 degrees F. A valve between the line and the tank is opened and gas flows into the tank until the pressure reaches 120 psia, at which time the valve closes. The contents of the tank eventually cool back to 60 degrees F. Determine: (a) the temperature in the tank at the time when the valve closes, in degrees F, and (b) the final pressure in the tank, in psia.
1st a confidence interval is constructed without utilizing the finite population correction factor.
1. Suppose you are testing H0: N(55, 64) vs. H1 N(45, 49), with α = .05. Your test will be one draw x from one of these two populations. What is your critical boundary for x (not the one for the z score of x)? For what values of x would you r..
Length of smoking time was recorded for each. Mean was =140 hours. Suppose = 8 hours. Determine 95% confidence interval for mean amount of time grocery-store ham is smoked.
Jones Nissan in Sumter, South Carolina, sold 10 Nissans yesterday. What is the probability that exactly 1 vehicles require warranty service?
Determine the best feasible solution among the following (feasible and infeasible) solutions of the Reddy Mikks model.
Families USA, a monthly magazine that discusses issues related to health and health costs, surveyed 20 of its subscribers. It found that the annual health insurance premiums for a family with coverage through an employer averaged $10,979.
Let F be a field and p(x) and irreducible polynomial over F. Prove that (p(x)) is a prime ideal of F[x]. If R has no divisors of zero, then neither does R[x].
Evaluate probabilities using the laws of probability, the standard normal distribution, t-distribution, or X2-distribution.
Borst et.al. investigated the relation of ego development, age, gender, and diagnosis to suicidality among adolescent psychiatric inpatients.
If a worker is known to strongly agree with the statementMy current job brings out the most creative ideas" what is the probability that the worker is engaged?
a survey of a simple random sample of university alumni finds that six months after graduation 75 of the 100 liberal
You're considering an investment in the common stock of Crisp Cookware. The stock is expected to pay a dividend of $2 a share at the end of the year (D1 = $2.00). the stock has a beta equal to 0.9.
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