The average stock price for companies makingup the S&P500 is $30, and the standarddeviation is $8.20. Assume the stock prices arenormally distributed.a) What is the probability that a company willhave a stock price at least $40?А.0.1152В.0.1112С.0.2251D.0.4231

We find the probability that a company will have a stock price at least $40.

Answered: The average stock price for companies…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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An electrical firm manufactures light bulbs that have a life, before burn-out, thatis normally distributed with mean equal to 800 hours and a standard deviation of40 hours. a. Set up the required equations in order to formulate your solution to theproblem. b. Find the probability that a bulb burns between 778 and 834 hours.
JUR 1. Suppose the lifetime of a particular brand of light bulbs is exponentially distributed with a mean of 400 hours. a) Find the probability that a randomly selected light bulb would last over 500 hours. b) Find the probability that a randomly selected light bulb would last under 300 hours. lu colected light bulbs would last over 500 67
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The average stock price for companies making up the S&P500 is $30, and the standard deviation is $8.20. Assume the stock prices are normally distributed. a) What is the probability that a company will have a stock price at least $40? А. 0.1152 В. О 0.1112 С. 0.2251 D. 0.4231