Use the geometric probability distribution to solve the following problem. On the leeward side of the island of Oahu, in a small village, about 79% of the residents are of Hawaiian ancestry. Let n = 1, 2, 3, .. represent the number of people you must meet until you encounter the first person of Hawaiian ancestry in the village. (a) Write out a formula for the probability distribution of the random variable n. (Enter a mathematical expression.) P(n) = P(1-p)n-1 (b) Compute the probabilities that n = 1, n = 2, and n = 3. (For each answer, enter a number. Round your answers to three decimal places.) P(1) = .790 P(2) = 166 P(3) = II 035 %3D (c) Compute the probability that n 2 4. Hint: P(n 2 4) = 1 – P(n = 1) – P(n = 2) – P(n = 3). (Enter a number. Round your answer to three decimal places.) 009 (d) What is the expected number of residents in the village you must meet before you encounter the first person of Hawaiian ancestry? Hint: Use u for the geometric distribution and round. (Enter a number. Round your answer to the nearest whole number.) residents Need Help? Read It Talk to a Tutor Submit Assignment Home My Assignments Extension Request 6:30 AM 12/23/2019 DELL Delete Insert PrtScr F12 F11 F10 F9 F8 F7 F6 F5 F4 F3 F2 Esc F1 Backspace & $ 23 8 5 4 2 T R E Tab K н G Lock
Use the geometric probability distribution to solve the following problem. On the leeward side of the island of Oahu, in a small village, about 79% of the residents are of Hawaiian ancestry. Let n = 1, 2, 3, .. represent the number of people you must meet until you encounter the first person of Hawaiian ancestry in the village. (a) Write out a formula for the probability distribution of the random variable n. (Enter a mathematical expression.) P(n) = P(1-p)n-1 (b) Compute the probabilities that n = 1, n = 2, and n = 3. (For each answer, enter a number. Round your answers to three decimal places.) P(1) = .790 P(2) = 166 P(3) = II 035 %3D (c) Compute the probability that n 2 4. Hint: P(n 2 4) = 1 – P(n = 1) – P(n = 2) – P(n = 3). (Enter a number. Round your answer to three decimal places.) 009 (d) What is the expected number of residents in the village you must meet before you encounter the first person of Hawaiian ancestry? Hint: Use u for the geometric distribution and round. (Enter a number. Round your answer to the nearest whole number.) residents Need Help? Read It Talk to a Tutor Submit Assignment Home My Assignments Extension Request 6:30 AM 12/23/2019 DELL Delete Insert PrtScr F12 F11 F10 F9 F8 F7 F6 F5 F4 F3 F2 Esc F1 Backspace & $ 23 8 5 4 2 T R E Tab K н G Lock
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
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Transcribed Image Text:Use the geometric probability distribution to solve the following problem.
On the leeward side of the island of Oahu, in a small village, about 79% of the residents are of Hawaiian ancestry. Let n = 1, 2, 3, .. represent the number of people you must meet until you encounter the first person of Hawaiian ancestry in the village.
(a) Write out a formula for the probability distribution of the random variable n. (Enter a mathematical expression.)
P(n) = P(1-p)n-1
(b) Compute the probabilities that n = 1, n = 2, and n = 3. (For each answer, enter a number. Round your answers to three decimal places.)
P(1) = .790
P(2) = 166
P(3) =
II
035
%3D
(c) Compute the probability that n 2 4. Hint: P(n 2 4) = 1 – P(n = 1) – P(n = 2) – P(n = 3). (Enter a number. Round your answer to three decimal places.)
009
(d) What is the expected number of residents in the village you must meet before you encounter the first person of Hawaiian ancestry? Hint: Use u for the geometric distribution and round. (Enter a number. Round your answer to the nearest whole
number.)
residents
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