5,341 Answered Questions for the topic probability

Probability Math Algebra 1 Algebra 2

03/24/22

help with statistical probability

Age 20-29 Age 30-39 Age 40-49 Age 50 & over Total High school only 1413 661 799 602 3475 Some college 2237 562 1193 1185 5177 Bachelor's degree 1062 1391 1187 1732 5372 Master's... more
Follows • 1
Expert Answers •1
Probability Math Algebra 1 Algebra 2

03/24/22

help with probability and statistics
There is a spinner with 10 equal areas, numbered 1 through 10. If the spinner is spun one time, what is the probability that the result is a multiple of 2 and a multiple of 5?
Follows • 1
Expert Answers •1
Probability Math Algebra 1 Algebra 2

03/24/22

please help with these maht statistical probabilty questions
Plays an instrument Does not play an instrument Plays a sport 5 2 Does not play a sport 4 12 In a class of students, the following data table summarizes how many students play an instrument... more
Follows • 1
Expert Answers •2
Probability Math Algebra 1 Algebra 2

03/24/22

please help with this math probability statistical question
Has a brother Does not have a brother Has a sister 2 3 Does not have a sister 10 7 In a class of students, the following data table summarizes how many students have a brother or a sister.... more
Follows • 1
Expert Answers •1
Probability

03/24/22

A letter from the word below is chosen at random. Find the probability as a simplified fraction. PHOTOSYNTHESIS Probability of(N) =

Follows • 1
Expert Answers •1
Probability Algebra

03/24/22

A jar contains 6 pennies, 14 nickels, 16 dimes, and 4 quarters. If one coin is chosen at random, find the probability as a percent. P(worth at least 5 cents) =

Follows • 1
Expert Answers •2
Probability

03/24/22

What is the whole number of days such that one-quarter of batteries will last longer than this many days?

A carbon monoxide detector contains a battery that should have a mean lifetime of 365 days and a standard deviation of 12 days. The battery life has a normal distribution. What is the whole number... more
Follows • 2
Expert Answers •1
Probability Math Statistics Maths

03/23/22

The average weight of 25 chocolate bars selected from a normally distributed population is 200 grams with a standard deviation of 10 grams.

   The average weight of 25 chocolate bars selected from a normally distributed population is 200 grams with a standard deviation of 10 grams. Find the point estimate and the confidence interval... more
Follows • 1
Expert Answers •1
Probability Statistics

03/23/22

Find P61 find the value and sample mean
A population of values has a normal distribution with μ=245.2μ=245.2 and σ=48.8σ=48.8. You intend to draw a random sample of size n=84n=84. Please answer the following questions, and show your... more
Follows • 2
Expert Answers •1
Probability Statistics

03/23/22

find probability

A leading magazine (like Barron's) reported at one time that the average number of weeks an individual is unemployed is 30 weeks. Assume that the length of unemployment is normally distributed with... more
Follows • 2
Expert Answers •1
Probability Statistics

03/23/22

A population of values has a normal distribution with μ=208.5μ=208.5 and σ=94.8σ=94.8. You intend to draw a random sample of size n=85n=85.
A population of values has a normal distribution with μ=208.5μ=208.5 and σ=94.8σ=94.8. You intend to draw a random sample of size n=85n=85. Please show your answers as numbers accurate to 4 decimal... more
Follows • 2
Expert Answers •1
Probability Statistics

03/22/22

Help me please its urgent

A fast food chain store conducted a taste survey before marketing a new hamburger. The results of the survey showed that 75% of the people who tried this hamburger liked it. Encouraged by this... more
Follows • 2
Expert Answers •1
Probability Inequalities

03/22/22

A fast food chain store conducted a taste survey before marketing a new hamburger. The results of the Find the probability that at least six of the eight customers will like this hamburger
A fast food chain store conducted a taste survey before marketing a new hamburger. The results of the survey showed that 75% of the people who tried this hamburger liked it. Encouraged by this... more
Follows • 2
Expert Answers •1
Probability Statistics

03/22/22

In a Pet Club, 23 members have a dog, 37 members have a cat, 5 members have a hamster, and 10 members have a bird. What percentage of Pet Club members have a cat or a hamster?

In a Pet Club, 23 members have a dog, 37 members have a cat, 5 members have a hamster, and 10 members have a bird. What percentage of Pet Club members have a cat or a hamster? (Assume that each... more
Follows • 1
Expert Answers •1
Probability

03/22/22

A random number, 1-9, is picked 7 times. What are the odds the same number is picked 3 times?

There are 9 numbers. A number is picked 7 times. How likely is it that a specific number (say 4) is picked 3 times? They do not need to be picked sequentially. How likely is it that ANY number is... more
Follows • 1
Expert Answers •1
Probability Mathematics

03/22/22

A green die and a red die are rolled . Find the probability that an odd number is rolled on the green die and a multiple of 3 is rolled on the red die.
Follows • 1
Expert Answers •1
Probability Statistics

03/21/22

Statistic and Probability
Suppose that pulse rates among healthy adults are normally distributed with a mean of 79 beats/minute and a standard deviation of 8 beats/minute. What proportion of healthy adults have pulse rates... more
Follows • 1
Expert Answers •1
Probability

03/20/22

Prob and Stats questions

a hybridization experiment begins with four peas having yellow pods and one pea having a green pod. two peas randomly selected with replacement. Find prob of peas with yellow pods. Find mean of... more
Follows • 1
Expert Answers •1
Probability Math Problem Combination

03/20/22

Using combinations to find probabilities (please help!)
A head, assistant, secretary, and treasurer are to be selected at random from 7 girls (including Carmela) and 8 boys (including Jerome). Each student can assume no more than one position. Find the... more
Follows • 1
Expert Answers •1
Probability Math Algebra 1 Algebra 2

03/20/22

please help with this petsmart statistical probability question!!
Customers entering Petsmart were surveyed at random about what type of pet they had. The results showed that the probabitlity of a person owning a dog was .56. The probabilty that a person had both... more
Follows • 1
Expert Answers •2
Probability Math Algebra 1 Algebra 2

03/20/22

Please help me with these statistical probability questions i beg !!
The international club at school has 105 members, many of whom speak multiple languages. The most common spoken languages in the club are English, Spanish, and Chinese. Use the Venn Diagram below... more
Follows • 1
Expert Answers •1
Probability Distrubution

03/19/22

The probability that at least 14 out of the 15 will require eyesight correction
A survey showed that 79% of adults need correction for their eyesight. If 15 adults are randomly selected, find the probability that at least 14 of them need correction for their eyesight. Is 14 a... more
Follows • 1
Expert Answers •1
Probability

03/19/22

Suppose a jar contains 17 red marbles and 31 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
Suppose a jar contains 17 red marbles and 31 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
Follows • 1
Expert Answers •1
Probability Math Algebra 2 Geometry

03/19/22

I need help with these probability questions for geometry

Customers entering Petsmart were surveyed at random about what type of pet they had. The results showed that the probabitlity of a person owning a dog was .56. The probabilty that a person had both... more
Follows • 2
Expert Answers •2
Probability Geometry Statistics

03/18/22

SOMEBODY PLEASE HELP ME WITH THE TWO WAY TABLES FOR GEOMETRY!! I NEED HELP VERY SOON PLEASE
Studied less than two hours(L) Studied more than two hours(M) total Studied independantly (G) 12 4 16 Studied with a group(G) 8 11 19 total 20 15 35    a) What is the probability that a... more
Follows • 2
Expert Answers •2

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.