In a survey of Canadian nurses who worked more than 45 hours per week, it was found that 351nurses were under 35 years of age and 433 nurses were 35 to 55 years old. If one nurse from this survey is selected at random, what is the probability that she or he is under 35 years old? in 3 sig figs

In a survey of Canadian nurses who worked more than 45 hours per week, it was found that 351nurses were under 35 years of age and 433 nurses were 35 to 55 years old. If one nurse from this survey is selected at random, what is the probability that she or he is under 35 years old? in 3 sig figs

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...

See similar textbooks

Related questions

Q: A study of people who are left handed was done and included 50 people in the 18 - 22 age bracket (20…

A: We have given data, Age group Left handed Number of peoples 18-22 20 50 23-30 22 70…

Q: n a recent survey of 619 Salinas residents, 437 stated they experienced significant traffic delays…

A: 437 stated they experienced delay 182 not experienced delay 619 total

Q: study of 203 young male/female couples, each partner privately was asked ether they had ever cheated…

A: We have given that Total number of male/female couples = 203 Female cheated = 38 Male cheated = 59

Q: Fourteen items are to be sampled from a lot of 75. If more than one is defective, the lot will be…

A: Given information- Lot size, N = 75 Sample size, n = 14 We have given that if no. of defective is…

Q: After rolling a 6 sided dice 40 times, what is the probability of obtaining an average that is less…

A: Define the Random Variables, Xi : Outcome in the ith die i = 1,2,3,....,40 PMF of Xi , P(Xi=xi) =…

Q: What is the probability that fewer than three adults from this sample were between 25 and 34 years…

A: Given that

Q: In a study of blood donors, 125 were classified as group O and 195 had a classification other than…

A: The objective of this question is to find the probability that a blood donor will have group O…

Q: Based on a poll , among adults who regret getting tattoos , 38 % say that they were too young when…

A: given data,p(got their tattoos)=0.38q=1-p=1-0-38=0.62n=10x=No.of adults have tattoos

Q: wo balls are drawn in succession without replacement from an urn containing 5 white balls and 6…

Q: information when using a public Wi-Fi hotspot? How is the result affected by subjects volunteered to…

A: Given that Number of trials n=4 Success of probability p=0.61 ,q=1-p=0.39 X~Bin(n,p)…

Q: 2. A discrete random variable X takes all positive integer values {1, 2, 3, 4,...) and has…

A: F(K)=1−13k

Q: A recent survey reported that 47% of 18- to 29-year-olds in a certain country own tablets. Use…

A: According to the given information,Probability of success, p = 47% = 0.47Number of trials, n = 6Let…

Q: Based upon the larger sample of 480 complaints, what is the probability that the sample proportion…

A: Solution

Q: An ice-cream flavour survey of 720 people revealed that 300 people liked green tea, 260 people liked…

A: As per our guidelines we are suppose to answer only one question.Let G= People liked green…

Q: 0.03 of the goods produced in a factory are defective. When a 25 unit sample is drawn for inspection…

A: Let X be the discrete random variable representing the number of defective goods. The success is…

Q: study of people who wear glasses at a certain company was done and included 100 people in the 18 -…

A: Given that Ware glasses Not ware glasses Total Age 18-22 37 63 100 Age 23-30 45 70 115…

Q: The probability that a randomly selected 29-year old male will survive the year is 0.998135…

Q: Based on a poll, 69% of Internet users are more careful about personal information when using a…

A: Given Data Probability of success,p = 0.69 Probability of failure,q=(1- 0.69 )= 0.31…

Q: ) Suppose the percentage of those completing a master's degree is 42%. In a random sample of 9…

A: n=sample size=9, p=42%

Q: The article “Should You Report That Fender-Bender?” (Consumer Reports, 2013:15) reported that 7 in…

A: a) Probability of accident involving single vehicle is(p) = 0.7 , q=1-p=0.3 (it involves binomial…

Q: According to a study by the National Institute of Health (HERE) 90% of the world's population is…

A: From the provided information, According to a study by the National Institute of Health (HERE) 90%…

Q: What is the probability of having more than or equal to 6 snatching incident during a randomly…

A: By record of the local police department of Alabang, on an average, there are 3 cases of snatching…

Q: What is the probability that fewer than 10 shoppers from this sample felt that regifting was…

A: Given that n=10 p=0.85 q=1-p=1-0.85=0.15 X follows Binomial with n=10 and p=0.85…

Q: 13) The table below describes the smoking habits of a group of asthma sufferers. Light Heavy…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Atlantic Airways flights were late (arrived or departed 15 minutes late or more). A random sample of…

A: We have given that Number of trials n=140 Success of probability p =20.4%=0.204 We use normal…

Q: The probability of being dealt 1 face card is (Round to six decimal places as needed.) ...

A: We know that There are 52 card in the deck in which they divided into two color i.e red(26) and…

Q: In a study of 203 young male/female couples, each partner privately was asked whether they had ever…

A: Probability of an event is the chances of occurrence of an event. The value of probability lies…

Q: Find the indicated probability. The CDC estimates that 75% of children between 6 and 23 months old…

A: Let p be the probability who received flu vaccine. n=number of children=7 X be the number of…

Q: hly selected, what is the probability of getting someone who has been in a car accident? Round to…

A: Define an event A: Someone who has been in a car accident Given that, number of respondents who had…

Q: 1. Study of consumer buying habits revealed that 30% of consumers only shop in retail brick and…

Q: 10. The number of students who fail per semester is often modeled as a Poisson random variable.…

Q: GC content in Plasmodium falciparum genome is 25%. Assume that each base pair in the genome has…

A: Givenp=0.25n=5x~Binomial(n=5,p=0.25)P(X=x)=(nx)×px×(1-p)n-x ; x=0,1....,n

Q: It was reported that 29% of car crash deaths in Maine were alcohol-related.…

A: Obtain the probability that at most 14 were alcohol-related. The probability that at most 14 were…

Q: According to one poll, 54% of households in a certain region had no landline and only had cell phone…

A: The following information has been provided: The probability of success is p=0.54. The probability…

Q: f there are 20 typographical errors randomly distributed in a 50 page manuscripts, then the…

A: Let X be the number of errors in a page. λ=Average number of errors in apage=2050=0.4 Thus…

Q: On 60% of days, a hospital admits at least one heart attack patient. On 40% of the days, no heart…

A: Please note that as per our guidelines if multiple questions are posted by the student, we can…

Q: In a study, 42% of adults questioned reported that their health was excellent. A researcher wishes…

A: Let us denote X=the number of people with excellent health.n=sample size=13p=probability of…

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

Question

In a survey of Canadian nurses who worked more than 45 hours per week, it was found that 351
nurses were under 35 years of age and 433 nurses were 35 to 55 years old. If one nurse from this
survey is selected at random, what is the probability that she or he is under 35 years old? in 3 sig figs

Video Video

AI-Generated Solution

AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.

Unlock instant AI solutions

Tap the button
to generate a solution

Click the button to generate
a solution

SEE SOLUTION

Similar questions

8. It is reported that 77% of workers aged 16 and over drive to work alone. Choose 4 workers at random. Find the probability that: All drive to work alone a. b. One of them drives to work alone. C. More than one of them drives to work alone
Suppose an RMG production line is known to have 7.4 flaws (defects) in every 50 products. a. What is the probability that there will be 32 flaws (defects) in a batch of 200 products? b. What is the probability that there will be more than 5 flaws (defects) in a particular batch of 50 products?
In a survey of 1002 people, 701 said that they voted in a recent presidential election (based on data from ICR research group). Voting records show that 61 percent of eligible voters actually did vote. Given that 61 percent of eligible voters actually did vote, find the probability that among 1002 randomly selected eligible voters, at least 701 actually did vote. What does the result suggest ?
According to a government statistical organization, the unemployment rate for workers aged 19 to 25 in April 2018 was 7.7%. Consider a random sample of 90 workers from this age group. a. What is the probability that 6 or fewer will be unemployed? b. What is the probability that 3 or fewer will be unemployed? c. What is the probability that between 3 and 9 of them will be unemployed? a. The probability that 6 or fewer workers will be unemployed is (Type an integer or decimal rounded to four decimal places as needed.) atcrunch Get more help - ... Similar question Next
Suppose that the average number of typos on a page of a manuscript is 6.93. What is the probability that there are seven typos on a certain page?
According to CTIA, 41% of all U.S. households are wireless-only households (no landline). Choose four households at random. A. What is the probability that at least two will be wireless-only? B. What is the probability that none of them will be wireless-only? C. What is the probability that least 1 of them will be wireless-only? D. Find the mean and standard deviation for the number of households that are wireless-only.
GC content in Plasmodium falciparum genome is 40%. Assume that each base pair in the genome has equal probability of being GC.a. What is the probability of finding no AT pairs if 4 pairs were randomly chosen?b. What is the probability of finding 3 or more AT pairs in 4 pairs?
) The percentage of students at a college that have internet connection at home is 80%. In a random sample of 152 students, what is the probability that more than 38 students have the internet connection at home
One hundred adults were randomly sampled and took their BMI and categorize them as Underweight, Normal Weight and Overweight. The data is summarized in the following table. If one of the hundred aults is randomly selected: a) What is the probability that they are 56+ or overweighted? b) What is the probability that they are underweighted or normal weighted? c) Is it correct to say that a randomly selected adult is 1.2 times as likely to be an overweighted as underweighted? Justify your answer.
A research team has developed a face recognition device to match photos in a database.From laboratory tests, the recognition accuracy is 95% and trials are assumed to be independent. a. If the research team continues to run laboratory tests, what is the mean number of trials untilfailure? b. What is the probability that the first failure occurs on the tenth trial?