SOLUTION: Q1 :A financial analysis of Microsoft, Apple and Nvidia stocks indicates that over the next six months the probability that the price of the stock will rise is 0.47 for Microsoft,

Question 1184873: Q1 :A financial analysis of Microsoft, Apple and Nvidia stocks indicates that over the next six months the probability that the price of the stock will rise is 0.47 for Microsoft, 0.59 for Apple , and 0.42 for Nvidia. Suppose the stock prices react independently. What is the probability that the three stock prices will rise over the next six months? Round your answer to 4 decimal places.
Q2: A computer password consists of 6 characters where each character may be any lowercase letter or digit. What is the probability of selecting a password that contains only digits or vowels? Round your answer to four decimal places.

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
a. The product of each of the three, or 0.47*0.59*0.42=0.1165
b. There are 26 lower case letters and 10 digits or 36 items.
Choices are 36C6, the denominator
if digits is 10C6/36C6=0.0001
If letters is 26C6/36C6=0.1182
6/36 are vowels if one includes y, and that is 6/26 of the total, so vowels would be 0.0273

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