(Answered) Based on faa estimates the average age of fleets of the 10

Statistics

Based on FAA estimates the average age of fleets of the 10 largest U.S. commercial passenger carriers is 13.4 years with a standard deviation of 1.7 years. Suppose that 40 airplanes were randomaly selected from fleets of these 10 carriers and were inspected for cracks in these airplanes that are considered too large for flying. What is the probability that the avearage age of these 40 airplanes is at least 14 years old? Round 4 decimal places. Remeber round ypur z-value to 2 deciimal places.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91785783
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Researchers at the university of pennsylvania school of

Researchers at the University of Pennsylvania School of Medicine have determined that children under 2 years old who sleep with the lights on have a 35% chance of becoming myopic before they are 16. Children who sleep in ...

Consider the probability distribution shown belowx 0 1 2 px

Consider the probability distribution shown below. x 0 1 2 P(x) 0.65 0.30 0.05 Compute the expected value of the distribution. Compute the standard deviation of the distribution. (Round your answer to four decimal places ...

How does a histogram help us know the probability of

How does a histogram help us know the probability of getting a certain value for a variable? In other words how does the histogram relate to probability?

Answer the following questions about an anova analysis

Answer the following questions about an ANOVA analysis involving three samples. a. In this ANOVA analysis, what are we trying to determine about the three populations they're taken from? b. State the null and alternate h ...

Researchers randomly assigned 25 beginning students of

Researchers randomly assigned 25 beginning students of Russian to begin speaking practice immediately and another 25 to delay speaking for 4 weeks. At the end of the semester both groups took a standard test of comprehen ...

A manufacture claims that the life span of its tires is

A manufacture claims that the life span of its tires is 52,000 miles. You work for a consumer protection agency and you are testing these tires. Assume the life spans of these tires are normally distributed. You select 1 ...

What are the differences between the federal deficit and

What are the differences between the Federal deficit and Federal Debt? How does a government budget deficit affect the economy, specifically the unemployment rate and job creation? Identify two periods in recent history ...

Transaction costsnbspnbspin late december you decide for

Transaction costs In late December you decide, for tax purposes, to sell a losing position that you hold in Twitter, which is listed on the NYSE, so that you can capture the loss and use it to offset some capital gains, ...

If an urn1 contains 6purle balls and 4red balls and urn2

If an Urn1 contains 6purle balls and 4red balls. And Urn2 contains 4purple balls and 6 red balls. Urn3 contains 4purple balls and 5red balls. If one of the urns is selected at random and a ball is drawn, what is the prob ...

Peter and maryam take turns throwing one dart at the

Peter and Maryam take turns throwing one dart at the dartboard. Peter hits the bullseye with probability 1/5 and Maryam hits the bullseye with probability 1/3. Each throw is independent of the last. Whoever hits the bull ...

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