Question

. The annual salary for university professors can be approximated with a normal distribution with a...

. The annual salary for university professors can be approximated with a normal distribution with a mean of $60,000 with a standard deviation of $10,000. What is the probability that a randomly selected professor has an annual salary is….. (Do not round off the final answer) (i) In between $40,000 and $75,000

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
In an examination the probability distribution of scores (X) can be approximated by normal distribution with...
In an examination the probability distribution of scores (X) can be approximated by normal distribution with mean 61 and standard deviation 9.4. 1. Suppose one has to obtain at least 55 to pass the exam. What is the probability that a randomly selected student passed the exam? [Answer to 3 decimal places] 2. If two students are selected randomly what is the chance that both the students failed? [Answer to 3 decimal places] 3. If only top 8% students are...
professors at a local university earn a salary of $80,000 with a standard deviation of $6,000....
professors at a local university earn a salary of $80,000 with a standard deviation of $6,000. the salary distribution is normally distributed. find the percentage of salaries that are between $62,000 and $98,000?
Q.1) The amount of time the university professors devote to their jobs per week is normally...
Q.1) The amount of time the university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours. a) What is the probability that a professor works for more than 60 hours per week? b) Find the probability that the mean amount of work per week for 3 randomly selected professors is more than 60 hours per week. c) Why are your answers to the previous two questions...
The average yearly salary of RN’s is $70,000. If the distribution of salaries is approximately normal...
The average yearly salary of RN’s is $70,000. If the distribution of salaries is approximately normal with a standard deviation of $5,000,what is the probability that a randomly selected RN makes: Between $60,000 and $70,000 a year. More than $70,000 a year.
In an examination the probability distribution of scores (X) can be approximated by normal distribution with...
In an examination the probability distribution of scores (X) can be approximated by normal distribution with mean 63.2 and standard deviation 7.6. *Please explain how you got your answers. 1) Suppose one has to obtain at least 55 to pass the exam. What is the probability that a randomly selected student passed the exam? [Answer to 3 decimal places] Tries 0/5 2) If two students are selected randomly what is the chance that both the students failed? [Answer to 3...
With a mean of 16, a Poisson distribution can be approximated by a normal distribution with...
With a mean of 16, a Poisson distribution can be approximated by a normal distribution with the same mean. It is known that, under a normal distribution, in between the two lines [mean - 1 standard deviation] and [mean + 1 standard deviation] approximately 68% of the area under the normal curve is covered. If Bigfield is facing its peak demand period with an average of 16 jobs per day and its capacity is set at 20 jobs per day,...
Question:The annual per capita consumption of fresh bananas? can be approximated by the normal? distribution, with...
Question:The annual per capita consumption of fresh bananas? can be approximated by the normal? distribution, with a mean of 10.6 pounds and a standard deviation of 3 pounds. ?   a) What is the smallest annual per capita consumption of bananas that can be in the top 5?% of? consumptions? ?   b) What is the largest annual per capita consumption of bananas that can be in the bottom 10?% of? consumptions?
a university has a total of 320 professors and 105 of them are women. what is...
a university has a total of 320 professors and 105 of them are women. what is the probability that a randomly selected professor from this university is a A. woman B.man ? do these two probabilities add up to 1.0? if yes, why?
The average teacher’s salary is $45,000. Assume a normal distribution with standard deviation equal to $10,000....
The average teacher’s salary is $45,000. Assume a normal distribution with standard deviation equal to $10,000. a) What is the probability that a randomly selected teacher makes greater than $65,000 a year? b) If we sample 100 teachers’ salaries, what is the probability that the sample mean will be greater than $65,000?
1. A statistician studies the average annual salary of professors in a local college in Florida....
1. A statistician studies the average annual salary of professors in a local college in Florida. <a> Based on a random sample of 33 professors in this college, we found the mean salary is 52,000, and standard deviation is 6,400. Construct a 99% confidence interval for the population’s mean annual salary. <b> Based on another random sample of size 28, we found the mean salary is 54,500, and if we know the standard deviation of all professors in that college...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT