What is the probability that the average annual income

Assignment Help Basic Statistics
Reference no: EM132522503

Suppose that the average annual income of a lawyer is $150 000 with a standard deviation of $40 000. Assume that the income distribution is normal. What is the probability that the average annual income of a sample of 15 lawyers is more than $120 000?

Reference no: EM132522503

Questions Cloud

Actions of employees in criminal justice system : Locate a news story or press release about an ethical violation resulting from actions of employees in the criminal justice system.
Effect size for these values : Calculate the one sample t statistic for these values. Also, give me the effect size for these values.
What is the estimated margin of error : In March, 2019, government officials from the city of Milpitas, CA, selected a random sample of 788 residents to survey. The sample was asked to
Does the memento bring back fond memories : Does this memento bring back fond memories? Would you consider yourself loyal to the brand that sponsored this event? If not, why not?
What is the probability that the average annual income : Assume that the income distribution is normal. What is the probability that the average annual income of a sample of 15 lawyers is more than $120 000?
Describe a decision-making process for management : In what ways did Frederick Herzberg's research concerning employee motivation correlate with Maslow's hierarchy of needs? describe a decision-making process.
Based on interviews with 80 sars? patients : Based on interviews with 80 SARS? patients, researchers found that the mean incubation period was 4.1 ?days, with a standard deviation of 15.3 days.
Perform a repeated-measures anova : Does this policy have long-lasting effects? Higher stress scores are equal to higher stress levels. Make sure to test assumptions as well.
What would you say is the typical : a. What would you say is the typical (most frequent) number of days of sick leave taken by officers in the patrol division?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Jude is interested in buying a digital camera he visited 9

jude is interested in buying a digital camera. he visited 9 stores at random and recorded the price of the particular

  Calculate the test statistic and p-value

The housing market has recovered slowly from the economic crisis of 2008.? Recently, in one large? community, realtors randomly sampled 35 bids

  Significant difference using a two sided test

How many participants need to be enrolled in each group to have a 90% chance of detecting a significant difference using a two sided test with α =0.05 if compliance is perfect?

  Explain to ima her misunderstanding and correct statement

Ima Bitlost computes the 95% confidence interval for the average satisfaction score as 8.6 ± 1.96(2.0). What is her mistake?

  Determining the standard deviation of the number

A club has 225 members. If there is a 60% attendance rate per meeting, find the mean, variance, and standard deviation of the number of people who attend each meeting. Note that this is a binomial distribution.

  Probability that sample contains no gear boxes with flaws

historically, only 5% of the gear boxes have such flaws. what is the probability that hooper's sample contains no gear boxes with manufacturing flaws ?

  Level of confidence and sample size

When the level of confidence and sample size remain the same, a confidence interval for a population proportion π will be __________ when p(1-p) is larger than when p(1-p)   is smaller.

  Is there a significant difference in wrinkle resistance do

please show how you solve thisreducing wrinkles. of course the eason for durable press treatment s to reduce wrinkling.

  Many teens have posted profiles on sites such as facebook

many teens have posted profiles on sites such as facebook and myspace. a sample survey asked random samples of teens

  What is the amount of medical coverage he should buy

Joe's total medical costs associated with the illness are $1000. What is the amount of medical coverage he should buy?

  What is uncertainty in quantitative research

What is uncertainty in Quantitative research? How can uncertainty be minimized in Quantitative research?

  Interest payments are made semiannually

The coupon rate is 7% and the interest payments are made semiannually. What is its YTM? (Show workings)

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