You have seven coins in your pocket, 1 quarter, 4 dimes and 2 pennies. Assume you...
You have seven coins in your pocket, 1 quarter, 4 dimes and 2 pennies. Assume you randomly extract one coin from your pocket, and without replacing it you pick a second coin. If the events are P1 = “first pick was a penny” and D2 = “second pick was a dime,” what is the probability of picking these two coins? Show how you arrived at your conclusion (using probabilities).
Homework Answers
Probability (P1) = Number of pennies/Total number of coins = 2/7
Probability (D2) = Number of dimes/Total number of coins remaining after first draw= 4/6
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You have seven coins in your pocket, 1 quarter, 4 dimes and 2
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show work for each part 3. Suppose a bag contains 2 quarters, 1 dime, 5 nickels,...
show work for each part
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show work for each part
3. Suppose a bag contains 2 quarters, 1 dime, 5 nickels, and 3 pennies. a. If you randomly select one coin out of the bag, what is the probability that it is a nickel? P(N)= b. If you randomly select one coin out of the bag, what is the probability it is not a quarter? P@= c. If you select two coins with replacement, what is the probability of picking a dime (D1) and then...
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You have five coins in your pocket. You know a priori that one coin gives heads with probability 0.4, and the other four coins give heads with probability 0.7 You pull out one of the five coins at random from your pocket (each coin has probability 릊 of being pulled out), and you want to find out which of the two types of coin it is. To that end, you flip the coin 6 times and record the results X1...
1. You have three different coins where the probabilities of getting heads are 0.5, 0.7, and 0.2 respectively You plan to flip each coin and count the total number of heads. You're curious what the probability of getting exactly two heads is. [1 point a. Explain why you cannot use the Binomial model for this situation. [3 points] b. Show that the probability of getting exactly two heads is 0.38. Define any events you want to use in words. c....
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