Question on normal distribution and z-score

Assignment Help Basic Statistics
Reference no: EM1392039

1. The amounts of money requested on home loan applications at a particular bank follow the normal distribution, with a mean of $80,000 and a standard deviation of $24,000. A loan application is received during the day.

By hand:

a. Find the probability that the amount requested amount is $90,000 or more?

b. Find the probability that the amount requested is between $75,000 and $90,000?

c. How much is requested on the largest three percent of loans?

d. How much is requested on the smallest ten percent of the loans?

Reference no: EM1392039

Questions Cloud

Determine sampling distribution of sample mean : A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40. Compute the probability the sample mean is
Kk-3 system coding in grope technology : how to write code for any particle shape using KK-3 system coding in grope technology
Determining probability for normal distribution : According to an IRS study, it takes a mean of 330 minutes for taxpayers to prepare, copy and electronically file a 1040 tax form. This distribution of times follows the normal distribution and the standard deviation is 80 minutes.
Assuming the basic fixed-order quantity inventory model : Assuming the basic fixed-order quantity inventory model fits this situation and no safety stock is needed, which of the following is the reorder point (R)?
Question on normal distribution and z-score : The amounts of money requested on home loan applications at a particular bank follow the normal distribution, with a mean of $80,000 and a standard deviation of $24,000. A loan application is received during the day.
Forecast the rental and leasing revenue : Shown below are rental and leasing revenue ?gures for of?ce machinery and equipment in the United States over a seven-year period according to the U.S. Census Bureau. Use these data to run a linear regression and then forecast the rental and leasi..
Calculate in polar form the sequence components : Calculate in polar form the sequence components of unbalanced line­to-neutral voltages and calculate in polar form the phase currents corresponding to the sequence components
Paragraph about the normal distribution : Write down a paragraph about the normal distribution. In the paragraph give an example of a distribution that you would judge to be nearly normal and explain why you have made that conclusion.
Energy storage molecule : Determine what kind of energy storage molecule would you most likely find in the highest quantity in the seed of a plant? please explain why it would be this type of molecule in one sentence.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Breakdown of responses by gender of respondents

A study was recently done in which 500 people were asked to point out their choices for one of three products. Following table illustrates the breakdown of responses by gender of the respondents.

  Determining mean amount spent on insurance

Assume then money spent is uniformly distributed between these amounts. Determine the mean amount spent on insurance?

  Show the probability mass function

Select a random variable to represent the category. Produce a probability mass function for that variable, and use it to compute the mean, the median and the variance of the data in the data set. Show the probability mass function, both in tabular..

  Hypothesis testing for single mean

A sample of 100 observations has a mean of 2.99 and a standard deviation s equal to 0.5 Conduct the following test of hypotheses about the corresponding population mean at a level of significance of α = 0.2

  Determine the confidence interval

Which of the following assumptions for inference about a proportion using a confidence interval are violated,

  Determining the probability that fish will be killed

Determine the probability that at most 4 fish will be killed?

  Finding confidence interval for average number of television

If possible, determine a 95% confidence interval for average number of television sets in all 50,000 households. If this is not possible, describe why not.

  Quantitative analysis

A busy landscaping supplies company sells wood chips for garden mulch. The mulch is sold by the cubic metre and delivered to households in a small truck.

  Calculated z test statistic and null hypothesis rejection

The calculated Z test statistic is a positive value that leads to a p-value of .045 for the test. If the significance level (α) is .01, the null hypothesis would be rejected.

  Question on calcium supplements

Sample data was collected in a study of calcium supplements and their effects on blood pressure. A placebo group and a calcium group began the study with blood pressure measurement.

  Explaining sample space

If these answers were combined into single statistic, how could we explain sample space? Mention how many elements are in sample space?

  Appropriate sample space

What is an appropriate sample space for this experiment?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd