A survey asking mobile phone users how long they would wait for a page to loadfound the following results. Find the probabilities that a person would wait thefollowing amounts.(a) No more than 10 seconds(b) At least 6 seconds(c) Between 6 and 20 seconds, inclusive(d) Between 1 and 15 seconds, inclusive(a) The probability that a person would wait no more than 10 seconds is(Type an integer or a decimal.)Time (Seconds)<11-56-1011-1516-20> 20Percentage2%19%32%18%12%17%

Time(seconds) percentage <1 2% 1-5 19% 6-10 32% 11-15 18% 16-20 12% >20 17%

Answered: A survey asking mobile phone users how…

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 percentage of people given an antirheumatoid who suffer severe, moderate, or minor side effects are 14, 20 and 66%, respectively. Assume that people react independently and that 20 people are given the medicine. Determine the following. Round your answers to four decimal places (e.g. 98.7654). (a) The probability 2, 4, and 14 people will suffer severe, moderate, or minor side effects, respectively. Probability i (b) The probability that no one will suffer severe side effects. Probability = i (c) The mean and variance of the number of people who will suffer severe side effects. Mean = i Variance =
In looking over customer data for your local ice cream shop, you estimate the following probabilities about what customers order: P(vanilla) = 0.5 P(sundae) = 0.5 P(vanilla and sundae) = 0.1 What is the probability that a customer order vanilla ice cream given they ordered a sundae? Estimate your answer to the first decimal place.
The reported cancer rates for men ages 65 and older is 23%. Assume this estimate is the true population proportion of men ages 65 and older who have been diagnosed with some form of cancer. A SRS of 25 men ages 65 and older is taken. Calculate the probability that proportion of men ages 65 and older who have been diagnosed with some form of cancer is more than 0.30. (The answer has to be either A or B) A. 0.2033 B. 0.2236
Suppose a person is looking for a one-year life insurance policy. They decide on a $232994 policy. This policy costs $291 per year. Suppose the probability the person dies in the year is 0.0006. Find the expected value of the policy for the insurance company. Give your answer as a decimal to at least two decimal places.
A textile manufacturing process finds that on average, three flaws occur per every 50 yards of material produced. What is the probability that exactly 2 flaws occur in a 50 yard piece of material? Round your answer to three decimal places with a zero to the left of the decimal. E.g., 12% would be 0.120, and 0.15551 would be 0.156.
Trevor is interested in purchasing the local hardware/sporting goods store in the small town of Dove Creek, Montana. After examining accounting records for the past several years, he found that the store has been arossina over $850 per day about 55% of the business days it is open. Estimate the probability that the store will aross over $850 for the following. (Round your answers to three decimal places. (a) at least 3 out of 5 business davs (b) at least 6 out of 10 business days (c) fewer than 5 out of 10 business days (d) fewer than 6 out of the next 20 business days (e) more than 17 out of the next 20 business days
It has been estimated that only about 25% of residents in Ventura County have adequate earthquake supplies. Suppose you randomly survey 5 residents in the County. Let X be the number of residents who have adequate earthquake supplies. Please show the following answers to 4 decimal places. a. What is the probability that exactly 2 residents who have adequate earthquake supplies in this survey? b. What is the probability that less than 2 residents who have adequate earthquake supplies in this survey? c. What is the probability that at most 2 residents who have adequate earthquake supplies in this survey? d. What is the probability that between 1 and 3 (including 1 and 3) residents who have adequate earthquake supplies in this survey?
In order to stay alert at work, an employee set a timer to go off randomly sometime within 40 minutes. What is the probability the timer will go off at exactly 8.25 minutes?
An insurance company has written 50 policies for $125,000, 100 policies for $30,000, and 250 policies for $10,000 for people of age 20. If experience shows that the probability that a person will die at age 20 is 0.0012, how much can the company expect to pay out during the year the policies were written?
Let X = {Email, In Person, Instant Message, Text Message}; P(Email) = 0.06 P(In Person) = 0.55 P(Instant Message) = 0.24 P(Text Message) = 0.15 Is this model a probability distribution? A. Yes. B. No. C. Maybe.
Richies insurance company offers a 250,000 life insurance policy for a premium of $750 per year. If the probability you live through the year is .9977 what is the expected value to the insurance company
In looking over customer data for your local ice cream shop, you estimate the following probabilities about what customers order: P(vanilla) = 0.4 P(sundae) = 0.4 P(vanilla and sundae) = 0.1 What is the probability that a customer order vanilla ice cream given they ordered a sundae? Estimate your answer to the first decimal place.

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