It is estimated that 0.45 percent of the callers to the Customer Service department of Dell Incorporated will receive a busy signal.What is the probability that of today's 1,000 callers at least 5 received a busy signal? (Round your answer to 4 decimal places.)Probability

Answered: It is estimated that 0.45 percent 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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The probability that an individual is left-handed is 0.140. In a class of 20 students, what is the probability of finding five left-handers? Round the answer to the nearest thousandth. O A. 0.250 OB. 0.140 O C. 0.087 O D. 0.000
An exam consists of 10 true-or-false questions. If a student guesses at every answer, what is the probability that he or she will answer exactly 6 questions correctly? (Round your answer to three decimal places.)
The mean GPa of university students is 2.3 with a SD of 1.2. If you were to draw 36 students at random and compute their mean GPA, what is the exact probability that this mean will be 2.67 or less? Use four decimal places.
A group of 14 students' cholesterol levels are tested. Suppose the probability of a student having a healthy cholesterol level is 0.25. What is the probability that exactly four out of 14 students have healthy cholesterol levels? (Round your answer to three decimal places.)
If a seed is planted, it has a 95% chance of growing into a healthy plant.If 12 seeds are planted, what is the probability that exactly 3 don't grow? Round your answer to three decimal places.
Suppose that the probability that a child living in an urban area in the United States is obese is 20%. If a social worker sees 15 children living in urban areas, what is the probability that 5 are obese? Enter response as .xxxx
The probability that a randomly chosen sales prospect will make a purchase is 20%. What is the probability (to three decimal places) that the salesperson will make four or more sales if six sales calls are made on a given day?
The probability of passing the bar exam in a certain state is 2/3. If 10 people passed the test at a college in that state, then find the most likely value for the number of people who failed the test at that college.
At a particular college 19 percent of the students major in business. All business majors are required to take a statistics course. Of the students not majoring in business, 31 percent of them still have to take a statistics course. What is the probability that a student has to take a statistics course at this particular college? Type your answer as a decimal to 4 decimal places.
66% of college biology students in the United States are female. If we take a random sample of 200 of these students, find the probability that the number of females is at least 135.Write your answer in decimal to four decimal places.
A certain virus affects 0.7% of the population. A test used to detect the virus in a person is positive 88% of the time if the person has the virus (true positive) and 13% of the time if the person does not have the virus (false positive) Fill out the remainder of the following table and use it to answer the two questions below based on a total sample of 100,000 people. a. Find the probability that a person has the virus given that they have tested positive. Round your answer to the nearest hundredth of a percent and do not include a percent sign. b. Find the probability that a person does not have the virus given that they test negative. Round your answer to the nearest hundredth of a percent and do not include a percent sign.
The probability of a hurricane hitting Houston is 1 in 18. The probability of any hurricane being category 3 or higher is 3 out of 10. What is the probability that a hurricane of category 3 or higher hits Houston? Round your answer to 4 decimal places.

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It is estimated that 0.45 percent of the callers to the Customer Service department of Dell Incorporated will receive a busy signal. What is the probability that of today's 1,000 callers at least 5 received a busy signal? (Round your answer to 4 decimal places.) Probability