What is the probability that the average annual income

Assignment Help Basic Statistics
Reference no: EM132522533

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: EM132522533

Questions Cloud

Who assisted you at home after your illness or operation : Who assisted you at home after your illness or operation? Do you know of any assistance services, i.e., food, transportation, medication, that would help you.
How the doctor of pharmacy degree relates to your immediate : Describe how your personal, educational, and professional background will help you achieve goals. How the Doctor of Pharmacy degree relates to your immediate
What are the provisional and differential diagnoses : Ricardo does not speak English so he comes to see you with his sister. She says that he has a very sore throat and feels very tired. On closer questioning.
What are the main characteristics of forecasts : Differentiate between long- medium- and short-term forecasting. Why are all three of these forecasting measures imperative to the supply chain?
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?
Australian securities and investments commission : An official from the Australian Securities and Investments Commission estimates that 75% of all investment bankers have profited from the use of insider informa
Variables from the gallup survey : Gallup recently surveyed a random sample of 1015 adults, aged 18 years and older, from across the United States, about their use of mobile health apps
Should sales be the final standard by which to judge media : Is there a problem with using R.O.I scores that are based on historical results? Should sales be the final standard by which to judge media?
Construct argumentative thesis statement : Prior to attempting this week's forum read the week one's lesson located in the lessons area of the classroom for this week.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Study the effects of protein in the diet

An animal nutrition experiment was conducted to study the effects of protein in the diet on the level of leucine in the plasma of pigs. Pigs were randomly assigned to one of twelve treatments.

  Was given problem stratified sample or a blocked experiment

Super Bowl commercials. When spending large amounts to purchase advertising time, companies want to know what audience they'll reach.

  Why might the average of these values be a misleading?

Why might the average of these values be a misleading? summary? What would the logarithms of these three values? be?

  Indicators and the inclusion-exclusion formula

Indicators and the inclusion-exclusion formula. Let IA be the indicator of A. Show the following:

  Analysis of variance to examine relationship

Since Variable 15 was determined to be categoric, regression was not appropriate to use; so I used Analysis of Variance (ANOVA) to examine if there was a significant relationship between Variable 8 and 15. The results (using Systat 13.0) are print..

  Tell whether selections are dependent

For each of these situations, tell whether selections are dependent, independent, or approximately independent.

  Find the distribution of the remaining strength

(a) Find the distribution of the remaining strength of any member. (b) What is the probability that any particular member will fail when subjected to an applie

  Discuss about the statistical software package

Removing water from paper. The percentage of water removed from paper as it passes through a dryer depends on the temperature of the dryer and the speed.

  For a one-tailed hypothesis test the critical z-value of

for a one-tailed hypothesis test the critical z-value of the test statistic is -2.33. which of the following is true

  Dole pineapple inc is concerned that the 16 ounce can of

dole pineapple inc. is concerned that the 16 ounce can of sliced pineapple is being overfilled. the quality control

  Assess the impact of an event on a population

Assess the impact of an event on a population. I ran a survey before the event and then I ran the survey after the event. The collected responses matched between prior to the event and after. I used paired t-test to determine if the event had a posit..

  What is the probability that all three measurements

If three independent measurements of the voltage are made, what is the probability that all three measurements will lie between 116 and 1 18?

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