A simplified model for the movement of the price of a stock supposes that on each day the stock's price either moves up 1 unit with probability 0.35 or moves down1 unit with probability 0.65. The changes on different days are assumed to be independent. What is the probability that after 11 days the stock's price will haveincreased by exactly 1 units? Give your answer to 4 decimal places.

Let X be the random variable from binomial distribution with probability of moves up 1 unit (p) =…

Answered: A simplified model for the movement of…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A recent survey showed that 17% of community college students experienced at least some homelessness during their first year at a community college. Surveys also show that 80% of community college students need to take English their first year at a CC. Based on these surveys what is the probability of first year CC students experiencing at least some homeless during their first year and taking an English class? Show the formula, the math plug-ins, and answer.
In a recent baseball season, Ron was hit by pitches 21 times in 602 plate appearances during the regular season. Assume that the probability that Ron gets hit by a pitch is the same in the playoffs as it is during the regular season. In the first playoff series, Ron has 23 plate appearances. What is the probability that Ron will get hit by a pitch exactly once? Use Excel to find the probability. Round your answer to three decimal places.
At LSU the probability that a student takes first semester calculus and first semester physics is 0.6. The probability that a student takes first semester calculus given that the student takes first semester physics is 0.88. Find the probability that a student takes first semester physics.
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Calls arrive at a switchboard a mean of one every 39 seconds. What is the exponential probability that it will take more than 29 seconds but less than 34 seconds for the next call to arrive?
How are your grades? In a recent semester at a local university, 700 students enrolled in both Statistics I and Psychology I. Of these students, 77 got an A in statistics, 68 got an A in psychology, and 35 got an A in both statistics and psychology. Round the answers to four decimal places, as needed. Part 1 of 2 (a) Find the probability that a randomly chosen student got an A in statistics or psychology or both. The probability that a randomly chosen student got an A in statistics or psychology or both is Part 2 of 2 (b) Find the probability that a randomly chosen student did not get an A in psychology. The probability that a randomly chosen student did not get an A in psychology is X X
You purchase boxes of cereal until you obtain one with the collector's toy you want. If, on average, you get the toy you want in every 23rd cereal box, what is the probability of getting the toy you want in any given cereal box? Round the final answer to three decimal places.
Suppose a weather report indicates that the probability of rain this week is 0.20. This week Next week According to the report, if it rains this week, then the probability of rain next Rain week is 0.33. If it does not rain this week, then the probability of rain next week is 0.17. The tree diagram models this weather report. 0.33 Rain 0.20 Determine the probability that it will not rain for the next two weeks. Express 0.67 No rain your answer as a decimal precise to two decimal places. Rain 0.17 probability = 0.80 No rain 0.83 No rain
For each probability and percentile problem, draw the picture.Suppose that the length of long distance phone calls, measured in minutes, is known to have an exponential distribution with the average length of a call equal to 12 minutes. Part (g) Find the probability that a phone call lasts less than 13 minutes. (Round your answer to four decimal places.) Part (h) Find the probability that a phone call lasts more than 13 minutes. (Round your answer to four decimal places.) Part (i) Find the probability that a phone call lasts between 9 and 13 minutes. (Round your answer to four decimal places.)
20% of the patron's order the chef's special. The probability that 2 out of the next ten customers will order the chef's special is? (round your answer to three decimal places).
Gg.94. According to Baseball Insider Magazine 25% of major league pitchers are left-handed. A recent report shows that 60% of left-handed pitcher undergo rotator cuff surgery, while 30% of right-handed pitchers undergo rotator cuff surgery. If a major league pitcher underwent rotator cuff surgery yesterday afternoon, what is the probability that this pitcher was right-handed and underwent rotator cuff surgery?
Side-by-Side The battery manufacturer Varta sells a car battery with 800 Find the probability that 9 or fewer cars will start. cold-cranking amps and advertises great performance even in bitterly cold weather. Varta claims that after sitting on a (Use decimal notation. Use Appendix Table 1. Give your answer to four decimal places.) frozen Minnesota lake for 10 days at temperatures below 32°F, this battery will still have enough power to start a car. Suppose the actual probability of starting a car following this experiment is 0.75, and 15 randomly selected cars probability: (equipped with this battery) are subjected to these grueling conditions.

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