5,395 Answered Questions for the topic probability
05/28/21
In a survey of 250 people, 46% said that they like football, 64% said that they like baseball, and 82% said that they liked either football or baseball.
How many people in this group like football and baseball?
100
65
28
70
Follows
•
1
Expert Answers
•1
![]()
Probability Statistics
05/28/21
determine the area between Z=0.92 and Z=1.1
Follows
•
0
Expert Answers
•1
![]()
05/28/21
PLEASE I NEED HELP
According to a survey, about 45% of people ages 18 and older in a city have a dog. You ask 6 randomly chosen people (ages 18 and older) whether they have a dog. What is the probability that at most...
more
Follows
•
1
Expert Answers
•1
![]()
05/28/21
What is the probability that at most 4 people have a dog? Round your answer to the nearest hundredth.
According to a survey, about 45% of people ages 18 and older in a city have a dog. You ask 6 randomly chosen people (ages 18 and older) whether they have a dog.
Follows
•
1
Expert Answers
•1
![]()
05/27/21
Find the probability income
The per capita disposable income for residents of a U.S. city in a recent year is normally distributed, with a mean of approximately $44,000 and a standard deviation of about $2450. Use this...
more
Follows
•
1
Expert Answers
•1
![]()
05/27/21
Find the probability
The per capita disposable income for residents of a U.S. city in a recent year is normally distributed, with a mean of approximately $44,000 and a standard deviation of about $2450. Use this...
more
05/27/21
z-score and curve
A. What is the mean and standard deviation for a z-score? B. What is the total area under the curve of a normal distribution?
Follows
•
1
Expert Answers
•1
![]()
05/27/21
Probability basketball
05/27/21
Discrete or continuous distribution
Determine whether each of the following would be a discrete or continuous distribution.
Follows
•
1
Expert Answers
•1
![]()
Probability Math
05/27/21
Describe the probability of each given outcome using one of the phrases below:►Impossible ►Unlikely, ►Neither Likely nor Unlikely, ►Likely, ►Certain
Describe the probability of each given outcome using one of the phrases below:►Impossible ►Unlikely, ►Neither Likely nor Unlikely, ►Likely, ►Certain Part A: A bag contains 10 Snickers bars and...
more
Follows
•
1
Expert Answers
•1
![]()
Probability Math
05/27/21
The six sides of a number cube are labeled 1, 2, 3, 4, 5 and 6. You flip a coin and roll the number cube.
The question was too long for the title.The six sides of a number cube are labeled 1, 2, 3, 4, 5 and 6. You flip a coin and roll the number cube. What is the theoretical probability that the coin...
more
Follows
•
2
Expert Answers
•1
![]()
Probability
05/25/21
Statistics and probability
n a certain locality 1/3 of the locality is known to be using a particular brand of soap. In a survey sample of 10 households were allotted to each surveyor and 1000 surveyor were appointed. How...
more
Follows
•
1
Expert Answers
•1
![]()
Probability
05/25/21
The prior odds were a hundred-to-one against Voldemort surviving. What is the probability of Voldemort being alive??
Dumbledore is worried if Voldemort is still alive because he noticed a suspicious mark on a hand.If Voldemort dies, the mark continuous to exist with a 20% probability.On the other hand, if...
more
05/25/21
Find the probability: money
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $16. Find the probability that a randomly selected utility bill is (a) less than...
more
Follows
•
2
Expert Answers
•1
![]()
05/25/21
Find the probability oh height
In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.2 inches and a standard deviation of 4.0 inches. A study participant is randomly...
more
Follows
•
2
Expert Answers
•1
![]()
05/25/21
Find probability with random variable
Assume the random variable x is normally distributed with mean μ=82 and standard deviation σ=4. Find the indicated probability.P(71<x<74)
Follows
•
1
Expert Answers
•1
![]()
05/24/21
PROBABILITY AREA CODES
A state may have to add a 9th area code soon. When that happens how many different phone numbers will be available in the state if the numbers CAN repeat. Remember that phone numbers have an area...
more
Follows
•
1
Expert Answers
•1
![]()
05/24/21
Help me solve this question
Post boxes in London are randomly spaced out and on average five postboxes are found per square mile.(a) Determine the probability that on a certain square mile there will be(i) exactly seven post...
more
Follows
•
1
Expert Answers
•1
![]()
Probability
05/24/21
Probability Question
At a concert, there are 5 babies, 3 dogs, 7 cats, 8 adults, and 9 aliens in the audience. The headlining performer wants to get a group of 3 members from the audience on stage. What is the...
more
Follows
•
1
Expert Answers
•1
![]()
05/24/21
Question about average thickness, standard deviation and probability distribution
Each manufacturer of sliced bread has to choose how thin to slice their bread. It turns out that sliced bread in the US has an average thickness (μ) of 9.2mm, a standard deviation (σ) of 2.5mm, and...
more
Follows
•
1
Expert Answers
•1
![]()
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
