C.Over the course of 10 years, rain occurred on 30 days in the months ofApril. What is the chance that it will rain 3 days in April next year?D. Over the course of 10 years, it was overcast a total of 120 days in themonths of November. What is the chance it will be overcast 15 days inNovember next year?

Answered: C. Over the course of 10 years, rain…

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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Similar questions

The mean number of customers arriving at a bank during a 15-minute period is 10. Find the probability that exactly 8 customers will arrive at the bank during a 15-minute period?
. In an original group, the probability of choosing a girl from that group was 1/3 When 1more girl joins the group, the probability of choosing a girl out of the group changes from 1/3 to 3/7 How many boys were there in the group originally?
Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that exactly 7 of them use their smartphones in meetings or classes. The probability is. (Round to four decimal places as needed.)
Assume that when adults with smartphones are randomly selected, 53% use them in meetings or classes. If 5 adult smartphone users are randomly selected, find the probability that fewer than 2 of them use their smartphones in meetings or classes.
Suppose you toss a coin 100 times and get 74 heads and 26 tails. Based on these results, what is the probability that the next flip results in a tail? ..... The probability that the next flip results in a tail is approximately (Type an integer or decimal rounded to two decimal places as needed.)
Solve step by step in digitl format At the General Hospital Dr. Manuel Gea González, of the Ministry of Health, it is recorded that, on average, an ambulance arrives every ten minutes. Assuming an exponential distribution, determine:a) What is the probability that the next ambulance will arrive in 15 minutes or less?b) What is the probability that the next ambulance will arrive in more than 25 minutes?c) What is the probability that the next ambulance will arrive in more than 15 minutes, but less than 25?
Assume that when adults with smartphones are randomly selected, 49% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 2 of them use their smartphones in meetings or classes. The probability is. (Round to four decimal places as needed.)
Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes. If 8 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes. The probability is?
Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes. If 12 adult smartphone users are randomly selected, find the probability that fewer than 4 of them use their smartphones in meetings or classes.
Suppose a math class contains 33 students. There are 23 females (five of whom speak Spanish) and 10 males (two of whom speak Spanish). Give all answers as decimals to at least two decimal places. 3. What percent of Spanish speaking students are male? 4. If someone does not speak Spanish what is the probability they are female?
Suppose 6 coins are tossed. Find the probability of tossing no heads. (Round to four decimal places.)

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