19. The chance that a U.S. police chief believes that the death penalty significantly reduces the number of homicides is 1 in 4. If a random sample of 25 police chiefs is selected, find the probability that at most 3 believe that the death penalty significantly reduces the number of homicides. 19. The chance that a U.S. police chief believes that the death penalty significantly reduces the number ofhomicides is 1 in 4. If a random sample of 25 police chiefs is selected, find the probability that at most 3 believethat the death penalty significantly reduces the number of homicides.

We have given thatnumber of trials (n) = 25Probability of U.S. chief police believing death penalty…

The chance that a U.S. police chief believes that the death penalty significantly reduces the number of homicides is 1 in 4. If a random sample of 25 police chiefs is selected, find the probability that at most 3 believe that the death penalty significantly reduces the number of homicides.

The chance that a U.S. police chief believes that the death penalty significantly reduces the number of homicides is 1 in 4. If a random sample of 25 police chiefs is selected, find the probability that at most 3 believe that the death penalty significantly reduces the number of homicides.

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: Of all the registered automobiles in Colorado, 10% fail the state emissions test. Nine automobiles…

A: Probability, p =10% Sample size, n = 9

Q: Suppose 59% of vegetarians are women. Suppose a random sample of 500 vegetarians is taken. What is…

A: Answer: From the given data, Population proportion of vegetarians who are women (P) = 59% = 0.59…

Q: How many people out of 12 people do you expect to be taller than 6ft.? Now if you keep on…

A: Let X be the number of people over 6 ft with probability p= 10% =0.1 1): number of people selected…

Q: 2. In a factory that produces pieces of ready-made concrete, if the percentage of producing…

A: Given,n=5p=0.6q=1-p=1-0.6=0.4X=no.of defective piecesX~Binomial (n=5 , p=0.6)P(X=x)=nx px qn-x ;…

Q: What is the probability that the sampling error would be less than or more than 1.5 seconds

A: Given:mean µ = 30standard deviation σ= 2sample size n = 16 Let x̄ represent the sample mean time,…

Q: 3. In the mass production of bolts it is found that 5% are defective. Bolts are randomly selected…

A: Givenn=10p=0.05Let X=no.of defective boltsX~Binomial (n=10 , p=0.05)P(X=x)=10x 0.05x 1-0.0510-x ;…

Q: 2. An Italian web site claims that 80% of all downloads consist of books by foreign authors.…

Q: The average weight of an NFL player is 245.7 pounds with a standard deviation of 34.5 pounds, but…

A: From the provided information, Mean (µ) = 245.7 Standard deviation (σ) = 34.5

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: Genetic theory indicates that the probability that a Dame's Rocket (flowering herbaceous plant) has…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A recent study suggested that 70% of all eligible voters will vote in the next presidential…

A: Given Information: 70% of all eligible voters will vote in the next presidential election i.e., p =…

Q: A 10-year study conducted by the American Heart Association provided data on how age, blood…

A: The independent variables are Age, Blood pressure and Smoker. The dependent variable is Risk. We…

Q: A survey showed that 82% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: 82% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. 19 adults…

Q: 9. One sixth of all people prescribed a medication do not take the medicine. What are the odds a…

A: Question 1: Odds of Not Taking the MedicationGiven:- One sixth of all people prescribed a medication…

Q: 5. A study indicates that 4% of American teenagers have tattoos. You randomly sample 30 teenagers.…

A: The binomial distribution probability is:P(X=x)=nCxpx(q)n−xwhere ::: x represents the total number…

Q: According to the Federal Insurance Agency statistics, the proportion of teenage drivers between the…

A: It is given that n=100 and p=0.54.

Q: Among 110 Grade 9 students at a public high school, only 25 are athletes. if 10 of the students are…

A: The sample of the number of students is n=10. The probability of 25 students are athlete,…

Q: 2. With the same coin, give the probability distribution for the number of heads possible in 3…

A: The total possible number of outcomes when you draw a coin 3 times is 23 = 8 List the total…

Q: Suppose a large consignment of televisions contained 11% defectives. If a sample of size 237 is…

Q: Let (X1,...,Xn), n>2, be a random sample from a distribution P on R with EX21 0. (ii) Show that T is…

Q: 5) 74% of freshmen entering public high schools in 2006 graduated with their class in 2010. A random…

Q: Suppose the proportion of elementary students in Texas that are enrolled in fully remote learning…

A: Given that p = 0.20, n = 100, p(x<=10) = ?

Q: Suppose that you have obtained data by taking a random sample from a population. Before performing a…

A: For a random sample that is selected from a population, the following steps have to be done in order…

Q: 1. The data records the length of stay of engineering students in the university. We will assume a…

Q: what is the probability more than half of the sampled students are working full time?

A: Assume sixty percent of all NKU students work full time. If a random sample of 70 NKUstudents is…

Q: Given a normal population with mean = 39 and variance = 16, what is the probability of obtaining an…

Q: Suppose that, in an experiment of casting a single die, six outcomes (X) are equally likely.…

A: Given,a single die is rolled than the possible out comes areS={1,2,3,4,5,6}Let X is the number on…

Q: 9. Sixty percent of all road accidents are due to distracted driving. In a random sample of 400…

Q: Traditionally, about 70% of students in a particular statistics course at ECC are successful.…

A: given data P(successful in statistics course) = p = 0.70sample size (n) = 20X = no. of students…

Q: . What is the probability that 187 or more of the sample will approve of President Biden’s andling…

Q: 1. Some article studied the probability of death due to burn injuries. The identified risk factors…

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

Q: university study involves a simple random sample of 26 students taken from a population of 12,550.…

A: Given that Simple random sample size (n) = 26 Population size = 12,550 Undergraduate students make…

Q: A survey indicates that 65% of people prefer coffee over tea. If 20 people are randomly selected,…

A: probability that people prefer coffee over tea(p)=0.65sample size(n)=20Let "x" no. of people who…

Question

19. The chance that a U.S. police chief believes that the death penalty significantly reduces the number of homicides is 1 in 4. If a random sample of 25 police chiefs is selected, find the probability that at most 3 believe that the death penalty significantly reduces the number of homicides.

Video Video

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Introducing the given information

VIEW

Step 2: Calculating probability that at most 3 believe that the death penalty significantly

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Suppose X is an outcome in throwing a fair die. Find the mean and variance
Help me to solve
7
6.12, please
The probability of having 3 boys out of 4 children is to be determined. A simulation is conducted in which the experimental probability is exactly equal to theoretical actual probability. If the event occured 53 times during trials, how many trials were conducted.
7. According to a college survey, 22% of all students work full time. In a survey of 14 students, what is the probability that no more than 2 of them work full time?
. If tossing a loaded coin gives heads 60% of times, what is the likelihood (probability) of observing heads 50 times or fewer out of 100 tosses? 12 The probability of observing heads 50 times or fewer out of 100 would be 0.03 or 3 percent. use excel.
The 2015 National Vital Statistics Report provides information on how the nearly four million live births that occurred in 2014 broke down by birth order. Choose at random a baby born in the United States in 2014. Baby's birth order Probability mean = 1 2 0.391 0.319 The few babies who were 9th or more in birth order are included in the "8" birth order group. In 2014, 39.1% of the nearly 4 million live births in the United States were to first-time mothers. 3 5 6 7 4 0.168 0.072 0.028 0.012 0.005 standard deviation = What are the properties of the sampling distribution of the proportion of births to first-time mothers in random samples of 500 births from 2014? (Enter your answer for the mean rounded to three decimal place and your answer for the standard deviation rounded to four decimal places.) 8 0.005
A national sports equipment co-op is going to conduct a survey of its members. It knows from collecting data when members join that 68% of them identify as male. Assuming the total number of members is very large and 200 of them are randomly selected to take the survey, what’s the chance less than 60% of these randomly chosen members identify as male? Show all your work and write your answer as a percentage.
A class president is favored by 53% of all students voting, assuming this is accurate, a random sample of 400 students are surveyed. 1. What is the probability that less than 49% will favor this student? 2. What is the probability that more than 57% will favor the student?
1. In a factory that produces pieces of ready-made concrete, if the percentage of production of defective blocks is 0.6, if we draw a sample of 5 pieces: find the probability of getting 3 defective pieces. *
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 102 people in the 18-21 age bracket and finds that 87 of them respond and 15 refuse to respond. When 249 people in the 22-29 age bracket are contacted, 220 respond and 29 refuse to respond. Assume that 1 of the 351 people is randomly selected. Find the probability of getting someone in the 22-29 age bracket or someone who responds. Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol. P(22-29 or responds) = %3D (Hint: It might be helpful to organize the data into a table first.) Submit Question 17,194 7. NOV tv 17 MacBook Air