It is also known that 15 of walls painted with this paint, Ask an Expert

Statistics

The drying time of one particular paint is approximately naormally distributed with a mean of 45 minutes. it is also known that 15% of walls painted with this paint need more than 55 minutes to dry completely. Find the standard deviation of this distribution.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9121090

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A professor records the following final exam scores 68 6 m

A professor records the following final exam scores: 68 6 (M SD). Students scoring in the top 18% get an A. What is the cutoff score for the top 18% in this example?

According to a pew research center poll 22 of adult

According to a Pew Research Center poll, 22% of adult Americans have contributed to an online fundraising project. A random sample of 100 adults is selected. Let the random variable X be the number of adult Americans who ...

How do you calculate true population proportion if your

How Do you calculate true population proportion if your defective sample is too small? For example, if you have 50 and defect is 4. Please look below for more details.

According to a study in a previous year 570 of households

According to a study in a previous year, 57.0% of households nationwide used natural gas for heating during a year. Recently, a survey of 2,700 randomly selected households showed that 58.0% used natural gas. Use a 0.05 ...

You are in charge of numbering the homes in a new

You are in charge of numbering the homes in a new subdivision. If we were to ue 0 through 9 as our number to use and we want to have 3 digit house numbers, how many unique homes numbers would we potentially be able to pr ...

Xyz corporations budgeted monthly sales are 10000 and they

XYZ Corporation's budgeted monthly sales are $10,000, and they are constant. Its customers pay as follows: 30% pay in the first month and take the 2% discount, while the remaining 70% pay in the month following the sale ...

Regression equations can take the formin the spaces next to

Regression equations can take the form: In the spaces next to the items below place the letter corresponding symbol from the below equation A. Y B. b0 C. b1 D. X 1. Regression line slope: 2. Predicted value: 3. Independe ...

If you know the percentile rank is 50 the mean is 50 and

If you know the percentile rank is 50. The mean is 50 and the standard deviation is 5. What is the raw score, z score, and t score?

A bond that makes payments in a certain currency contains

A bond that makes payments in a certain currency contains the risk of holding that currency and so is priced according to the yields of similar bonds in that currency.

What is the sample size for studies with moe of -35 and -28

What is the sample size for studies with MOE of +/-3.5% and +/-2.8%?, with a confidence level of 95%, sample statistics of .50? Please show work.

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert