Each time you buy a pack of cards for a collectible card game, you get 10 random cards out of a pool of 25. The cards in a pack are guaranteed to be distinct, and all cards are equally common. You buy two packs of cards; let X be the number of cards you get twice (once from each pack). What is the name of the distribution of X, and its parameters?
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Each time you buy a pack of cards for a collectible card game, you get 10 random cards out of a pool of 25. The cards in a pack are guaranteed to be distinct, and all cards are equally common.
You buy two packs of cards; let X be the number of cards you get twice (once from each pack). What is the name of the distribution of X, and its parameters?
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- Suppose you are interested in buying a new Lincoln Navigator or Town Car. You are standing on the sales lot looking at a model with different options. The list price is on the vehicle. As a salesperson approaches, you wonder what the dealer invoice price is for this model with its options. The following data are based on a random selection of these cars of different models and options. Let y be the dealer invoice (in thousands of dollars) for the given vehicle. x 32.4 32.9 36.1 44.0 47.8 y 30.4 31.0 32.0 42.1 42.2 (b) Use a 10% level of significance to test the claim that ρ > 0. (Use 2 decimal places.) t ? critical t ? (c) Verify that Se ≈ 1.5629, a ≈ 2.5006, and b ≈ 0.8551. Se ? a ? b ? (e) Find a 95% confidence interval for y when x = 42 (thousand dollars). (Use 2 decimal place.) lower limit ? upper limit ? (f) Use a 10% level of significance to test the claim that β > 0. (Use 2 decimal places.) t ? critical t ?A lottery contains 100 tickets. It costs exactly one dollar to play. (And you don't get your dollar back if you win!) There are 10 prizes: five 1dollar prizes, three 5 dollar prizes and two 20 dollar prizes. Let X be the amount won in the lottery. The distribution table for X, the net amount of money won is written as: A. X P(X) B. X P(X) C. X P(X) D. X P(X) 90 0.25 2 0.03 -1 0.9 -1 0.90 0.25 3 0.05 1 0.05 0 0.05 5 0.9 5 0.03 4 0.03 0.25 0.25 20 0.02 19 0.02 1) A is the correct distribution table. 2) B is the correct distribution table. 3) C is the correct distribution table. 4) D is the correct distribution table. 532 13M&M plain candies come in various colors. According to the M&M/Mars Department of Consumer Affairs, the distribution of colors for plain M&M candies is as follows. Color Purple Yellow Red Orange Green Blue Brown Percentage 20% 18% 22% 8% 7% 10% 15% Suppose you have a large bag of plain M&M candies and you choose one candy at random. (a) Find P(green candy or blue candy).Are these outcomes mutually exclusive? Why? a. No. Choosing a green and blue M&M is possible. b. No. Choosing a green and blue M&M is not possible. c. Yes. Choosing a green and blue M&M is possible. d. Yes. Choosing a green and blue M&M is not possible. (b) Find P(yellow candy or red candy).Are these outcomes mutually exclusive? Why? a. No. Choosing a yellow and red M&M is not possible. b. No. Choosing a yellow and red M&M is possible. c. Yes. Choosing a yellow and red M&M is possible. d. Yes. Choosing a yellow and red M&M is not possible. (c) Find P(not…
- Compare the shapes of the distributions of the two data sets. Both data sets are skewed right. Both data sets are approximately symmetrical. Data Set A is approximately symmetrical, while Data Set B is skewed left. Data Set A is approximately symmetrical, while Data Set B is skewed right.Can someone please help? Thank you.Consider a small ferry that can accommodate cars and buses. The toll for cars is $3, and the toll for buses is $10. Let X and Y denote the number of cars and buses, respectively, carried on a single trip. Suppose the joint distribution of X and Y is as given in the table below. у 1 2 0.010 0.015 0.030 0.020 0.075 0.050 0,090 0.060 0.060 0.040 0.030 0.095 Compute the expected revenue from a single trip. (Round your answer to two decimal places.) $17.47 x p(x,y) X 0 1 2 3 4 5 Need Help? Bed Road t 0 0.025 0.050 0.050 0.150 0.100 0.050
- M&M plain candies come in various colors. According to the M&M/Mars Department of Consumer Affairs, the distribution of colors for plain M&M candies is as follows. Color Purple Yellow Red Orange Green Blue Brown Percentage 22% 20% 21% 7% 6% 9% 15% Suppose you have a large bag of plain M&M candies and you choose one candy at random. (a) Find P(green candy or blue candy).Are these outcomes mutually exclusive? Why? No. Choosing a green and blue M&M is not possible.Yes. Choosing a green and blue M&M is possible. Yes. Choosing a green and blue M&M is not possible.No. Choosing a green and blue M&M is possible. (b) Find P(yellow candy or red candy).Are these outcomes mutually exclusive? Why? No. Choosing a yellow and red M&M is possible.Yes. Choosing a yellow and red M&M is possible. No. Choosing a yellow and red M&M is not possible.Yes. Choosing a yellow and red M&M is not possible. (c) Find P(not purple candy).Definitions. Define each of the following concepts. Where relevant, be sure to say what each is used for. Also, where relevant, give examples. a) Expected Cell Frequencies: b) Scatterplot:Make a prize distribution table for a six player game. Prizes are variable but can range from $5 - $200 (Betting options are in $5, $10, $30 & $50 intervals) depending on bets. Each player's prizes are independent from other players. Since the game has a betting system we will need to make categories of winnings. Option for 0/6 winners Option for 1/6 winner Option for 2/6 winners:
- Which of the following statements is true? Question 9 options: It is possible for a distribution to have two means. It is possible for a distribution to have two medians. It is possible for a distribution to have two modes. It is possible for a distribution to have two medians or two modes.A student is interested in whether students who study with music playing devote as much attention to their studies as do students who study under quiet conditions. He randomly assigns participants to either the music or no-music condition and has them read and study the same passage of information for the same amount of time. Participants are then all given the same 10-item test on the material. Their scores appear below. Scores on the test represent interval-ratio data and are normally distributed. music no-music 6 10 5 9 6 7 5 7 6 6 6 6 7 8 8 6 5 9 Please use the appropriate statistical test to analyze these data, and design a hypothesis testing process, get the conclusion about whether students who study with music playing devote as much attention to their studies as do students who study under quiet conditions. If significant, compute the effect size, interpret this, and draw a graph representing the data.A creative entrepreneur has created a novelty soap called jackpot. Inside each bar of jackpotsoap is a rolled-up bill of U.S. currency. There are 1000 bars of soap in the initial offeringof the soap. Although the denomination of the bill inside a bar of soap is unknown,the distribution of bills in these first 1000 bars is given in the following table: How many bars of soap does a customer have to buy so that, on average, she has purchasedtwo containing a $50 or $100 bill? (hint: Use the hypergeometric distribution inASP to answer this question.)
