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A blackjack consists of two cards, one of which is an Ace and the other of which is a 10-point card, either a 10, Jack, Queen, or King.
a) How many different blackjacks are there in a 52-card deck?
b) In the game blackjack, one card is dealt down and the other is dealt up. Thus, in a sense order of the two cards matters. In this case, how many different blackjacks are there?
c) In a pinochle deck there are eight cards of each rank 9, 10, Jack, Queen, King, Ace (two indistinguishable cards of each suit) and no other cards. How many blackjacks are there, assuming order is unimportant?
The radius of the hole and the radius of the shaft. Let the random variable X denote the clearance, in millimeters. The probability density function of X is?
If the sides of a square are lengthened bt 5cm, the area becomes 169cm2. Find the length of a side of the original square.
Explain how you can determine n3 from knowing n1 and n2. Thus, the multinomial distribution of (n1, n2, n3) is actually two-dimensional.
if independent random samples of size n1n28 come from normal populations having the same variance what is the
Forecasters interest rate predictions over the period 1982 1990 were studied to see whether the predictions corresponded to what actually happened.
You have been asked to help plan a data collection process to answer the two problem areas. Briefly outline a plan to: Collect qualitative data about how the current services are delivered
Which of the following scenarios would lead to the most accurate estimate of the amount of parking fees collected during the week?
specimens of blood from 10 different animals were analyzed for blood count say y in units of 100 and packed cell volume
(a) Compute the arithmetic mean of the subscribers' incomes. (b) Compute the modal and median incomes.
If p denotes the p -value of the corresponding hypothesis test, which of the following is true?
three coins are placed in a box a quarter and dime and a nickel. one coin is drawn at random. a second coin is drawn at
Based on this data, give a 95% confidence interval for the average MAO activity level of bulimic patients. Assume that the level of MAO activity is normally distributed.
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