Based on a​ poll, among adults who regret getting​ tattoos, 12​% say that they were too young when they got their tattoos. Assume that nine adults who regret getting tattoos are randomly​ selected, and find the indicated probability. Complete parts​ (b) through​ (c) below.   a. Find the probability that none of the selected adults say that they were too young to get tattoos.   0.3165 ​(Round to four decimal places as​ needed.)   b. Find the probability that exactly one of the selected adults says that he or she was too young to get tattoos.   ​(Round to four decimal places as​ needed.)   c. Find the probability that the number of selected adults saying they were too young is 0 or 1.   (Round to four decimal places as needed.)

Q: A local county has an unemployment rate of 4.4%. A random sample of 20 employable people are picked…

A: Given,n=20p=0.044q=0.956A random variable X~Binomial(n=20  ,  p=0.044)P(X=x)=Cx0.044x0.95620-x   ;…

Q: d. If 100 SAT scores are randomly selected, find the probability that they have a mean between 1400…

A: d. Z-score: The z score formula is, z=x¯-μx¯σx¯ In the formula, μx¯ is the population mean, σx¯ is…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.34%. A random sample of 31 of…

A:

Q: A standard die is rolled. Find the probability that the number rolled is less than 2. Express your…

A: The objective of this question is to find the probability that the number rolled on a standard die…

Q: Based on a poll, among adults who regret getting tattoos, 22% say that they were too young when they…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: The probability of success is 0.30. If the number of trials is 12 and the number of successes is 6,…

A: Solution:

Q: e following data were gathered for 110 workers in two departments. Of these workers, 48 were in…

A: Note: - In the uploaded image there is only part (a).  We have given that Total workers in both…

Q: A student takes a 20-question multiple-choice test with 4 choices for each question. If the student…

A: The sample size n is 20.

Q: A fair coin is tossed 30 times.  How likely are you to see exactly 15 heads?  Round to four decimal…

A: given data, a fair coin is tossed 30 times n=30…

Q: In Arkansas, the probability that someone is unemployed is 0.037. We surveyed 3000 people in that…

A: Given that, In Arkansas, the probability that someone is unemployed is 0.037.  Sample size is 3000.…

Q: Calculate the probability that one of the next 6,827 times the slot machine is played, a jackpot is…

A: Here given ,  The chance of winning a jackpot on a certain slot machine is 1/17500​  . Next 6827…

Q: a. The probability that this student will win some money is places) b. The probability that this…

A: AS per guidelines i have calculated 3 subparts , plz repost for remaining parts with note i need…

Q: A standard die is rolled. Find the probability that the number rolled is greater than 55. Express…

A: Note: Thank you for the question. Since the die comes up values 1 through 6, the probability is…

Q: You roll a single six-sided die numbered from one through six. What is the probability you roll a…

A: We we roll a single six-sided die then the possible sample space is S = { 1,2,3,4,5,6} n(S) = 6

Q: A die is rolled twice. What is the probability of showing a five on the first roll and an even…

A: Given, A die is rolled twice. we know that a die has six faces so, total number of possible…

Q: In a large population, 62 % of the people have been vaccinated. If 4 people are randomly selected,…

A: It is given that p=0.62 and n=4.

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.41%. A random sample of 31 of…

A: Guven:Mean (µ) = 2.41Standard deviation (σ) = 1.36Sample size (n) = 31

Q: A fair six-sided die is rolled 25 times.  How likely are you to get fewer than three 6s out of all…

A: Probability of getting a six on a die is = 1/6  Number of observations = n= 25  Let, X= number of 6s…

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: Giving a test to a group of students, the grades and gender are summarized below C Total Male 9. 4 3…

A:

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: Pedestrian Intoxicated   Total DriverIntoxicated Yes No   Yes 52 72 124 No 263 591 854…

Q: A die is rolled twice. What is the probability of showing a two on the first roll and an even number…

A: On rolling a die twice, the total possible outcomes are…

Q: A soccer team estimates that they will score on 8% of the corner kicks. In next week's game, the…

A:

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: The total number of orders that are given are  Total order = 326+276+235+140+33+52+40+15 = 1117

Q: Of 1232 people who came into a blood bank to give blood, 397 people had high blood pressure.…

A: The total number of people are1232 came into a blood bank.The number of people who had high blood…

Q: An earth-conscious clothing store offers a 15% discount if you bring in a bag full of old clothing…

A: From the given information, n=20 and p=0.69.