Newest statistics Questions | Wyzant Ask An Expert

Statistics

03/17/23

Find the z-score that separate the middle 32% of the distribution from the area in the trails of the standard normal distribution.

Follows • 2

Answers •1

Statistics Math Business Probability

03/16/23

Basic Business Statistics Concepts and Applications by Mark Berenson, David Levine, Kathryn Szabat, David Stephan (Textbook Question)

problem 13.61) In Problem 13.9 on page 494, an agent for a real estate company wanted to predict the monthly rent for one-bedroom apartments, based on the size of an apartment. The data are stored... more

Follows • 1

Answers •1

Statistics Math Business Probability

03/16/23

Basic Business Statistics Concepts and Applications by Mark Berenson, David Levine, Kathryn Szabat, David Stephan Textbook Question

problem 13.47). In Problem 13.9 on page 494, an agent for a real estate company wanted to predict the monthly rent for one-bedroom apartments, based on the size of the apartment. The data are... more

Follows • 1

Answers •1

Statistics Math Business Probability

03/16/23

Basic Business Statistics Concepts and Applications by Mark Berenson, David Levine, Kathryn Szabat, David Stephan Textbook Question

problem 13.9) An agent for a residential real estate company in a suburb located outside of Washington, DC, has the business objective of developing more accurate estimates of the monthly rental... more

Follows • 2

Answers •1

Statistics Math

03/16/23

The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that average the reduction in systolic blood pressure is 17.9 sample of size 28 and standard deviation 11.3.

Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 99% confidence level). Assume the data is from a normally distributed population. Enter your answer as a... more

Follows • 1

Answers •1

Statistics Probability

03/16/23

a) Given this information, what is the overall probability of you making a putt between 10-29 feet? (b) Given that a putt between 10-29 feet was made, use Bayes'

Suppose that when playing disc golf, you find that of the putts you throw between 10 and 29 feet, 50% are 10-14 feet, 25% are 15-19 feet, 15% are 20-24 feet, and 10% are between 25-29 feet. You... more

Follows • 2

Answers •1

Statistics Probability

03/16/23

What is the probability that you encounter at least one luma during the 300 encounters while using a radar?

In the game Temtem there is a very small (1 out of 7500) chance that you will encounter a "luma" version of a creature. With a special radar item, you can increase these chances by encountering... more

Follows • 1

Answers •1

Statistics Probability

03/16/23

Suppose a committee is to be formed with 5 engineers and 3 consultants selected randomly from a group of 8 engineers and 3 consultants.

Suppose a committee is to be formed with 5 engineers and 3 consultants selected randomly from a group of 8 engineers and 3 consultants. (a) What is the probability that engineer Elizabeth and... more

Follows • 2

Answers •1

Statistics Probability

03/16/23

In the card game Magic: the Gathering, spells are cast using mana produced by "land" cards. Suppose your deck has 60 cards, 24 of which are lands.

In the card game Magic: the Gathering, spells are cast using mana produced by "land" cards. Suppose your deck has 60 cards, 24 of which are lands.(a) What is the probability that your opening hand... more

Follows • 1

Answers •1

Statistics Probability

03/16/23

What is the probability, as a fraction, of winning the jackpot?

In the Mega Millions lottery game, you choose 5 different numbers between 1 and 70, and one additional number between 1 and 25. If you get all 6 numbers correct, you win the jackpot.

Follows • 1

Answers •1

Statistics Probability

03/15/23

I dont get it pls help

For a standard normal distribution, find:P(z > c) = 0.3434Find c rounded to two decimal places.

Follows • 1

Answers •1

Statistics Probability

03/15/23

Please help me with this

For a standard normal distribution, find:P(z < c) = 0.4677Find c rounded to two decimal places.

Follows • 1

Answers •1

Statistics Probability

03/15/23

HELPPPPPPPP PLS

For a standard normal distribution, find:P(-2.89 < z < -2.7)

Follows • 1

Answers •1

Statistics Probability

03/15/23

please help me out

For a standard normal distribution, find:P(z > -2.06)Express the probability as a decimal rounded to 4 decimal places.

Follows • 1

Answers •1

Statistics Probability

03/15/23

help me with my questions please

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 50 ounces and a standard deviation of 9 ounces.Use the Standard Deviation... more

Follows • 2

Answers •1

Statistics Probability

03/15/23

Help me answer my question

The maintenance department at the main campus of a large state university receives daily requests to replace fluorecent lightbulbs. The distribution of the number of daily requests is bell-shaped... more

Follows • 1

Answers •1

Statistics Probability

03/15/23

helppppppppppppp

The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a... more

Follows • 1

Answers •1

Statistics Probability

03/15/23

Please help me with these questions. I dont understand

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 43 ounces and a standard deviation of 11 ounces.Use the Empirical... more

Follows • 1

Answers •1

Statistics Probability

03/15/23

HELPPPPPP ME PLEASE

In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 43 and a standard deviation of 9. Using the... more

Follows • 1

Answers •1

Statistics

03/15/23

Standard deviation prices

In December 2018, the average price of regular unleaded gasoline excluding taxes in the United States was $3.06 per gallon. Assume that the standard deviation price per gallon is $0.09 per... more

Follows • 1

Answers •1

Statistics Math

03/15/23

In a survey, 24 people were asked how much $ spent on their child's birthday gift. The results were bell-shaped with a mean of $35.9 and standard deviation of $13.3.

Estimate how much a typical parent would spend on their child's birthday gift (use a 99% confidence level). Give your answers to 3 decimal places. Express your answer in the format of x¯ ± E. $ ± $

Follows • 1

Answers •1

Statistics Math

03/15/23

24 people were asked how much they spent on their child's last birthday gift. The results were bell-shaped with a mean of $35.9 and standard deviation of $13.3

Estimate how much a typical parent would spend on their child's birthday gift (use a 99% confidence level). Give your answers to 3 decimal places. Express your answer in the format of x¯ ± E. $ ± $

Follows • 1

Answers •1

Statistics Math

03/15/23

Assume that a sample is used to estimate a population mean μ . Find the 90% confidence interval for a sample of size 721 with a mean of 39.5 and a standard deviation of 16.7.

Enter your answer as a tri-linear inequality accurate to 3 decimal places. < μ <

Follows • 1

Answers •1

Statistics Math

03/15/23

ou want to obtain a sample to estimate how much parents spend on their kids birthday parties. you believe the population standard deviation is approximately σ = 56.6 dollars.

You would like to be 98% confident that your estimate is within 10 dollar(s) of average spending on the birthday parties. How many parents do you have to sample? n =

Follows • 1

Answers •1

Statistics

03/15/23

You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ = 44.6 .

You would like to be 95% confident that your estimate is within 2.5 of the true population mean. How large of a sample size is required?

Follows • 1

Answers •1

Find the z-score that separate the middle 32% of the distribution from the area in the trails of the standard normal distribution.

Basic Business Statistics Concepts and Applications by Mark Berenson, David Levine, Kathryn Szabat, David Stephan (Textbook Question)

Basic Business Statistics Concepts and Applications by Mark Berenson, David Levine, Kathryn Szabat, David Stephan Textbook Question

Basic Business Statistics Concepts and Applications by Mark Berenson, David Levine, Kathryn Szabat, David Stephan Textbook Question

The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that average the reduction in systolic blood pressure is 17.9 sample of size 28 and standard deviation 11.3.

a) Given this information, what is the overall probability of you making a putt between 10-29 feet? (b) Given that a putt between 10-29 feet was made, use Bayes'

What is the probability that you encounter at least one luma during the 300 encounters while using a radar?

Suppose a committee is to be formed with 5 engineers and 3 consultants selected randomly from a group of 8 engineers and 3 consultants.

In the card game Magic: the Gathering, spells are cast using mana produced by "land" cards. Suppose your deck has 60 cards, 24 of which are lands.

What is the probability, as a fraction, of winning the jackpot?

I dont get it pls help

Please help me with this

HELPPPPPPPP PLS

please help me out

help me with my questions please

Help me answer my question

helppppppppppppp

Please help me with these questions. I dont understand

HELPPPPPP ME PLEASE

Standard deviation prices

In a survey, 24 people were asked how much $ spent on their child's birthday gift. The results were bell-shaped with a mean of $35.9 and standard deviation of $13.3.

24 people were asked how much they spent on their child's last birthday gift. The results were bell-shaped with a mean of $35.9 and standard deviation of $13.3

Assume that a sample is used to estimate a population mean μ . Find the 90% confidence interval for a sample of size 721 with a mean of 39.5 and a standard deviation of 16.7.

ou want to obtain a sample to estimate how much parents spend on their kids birthday parties. you believe the population standard deviation is approximately σ = 56.6 dollars.

You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ = 44.6 .

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

statistics

statistics

I need a creative ideas

RECOMMENDED TUTORS

find an online tutor