Question

The hourly pay of a sample of nurses is approximately normal with a mean of $38.75...

The hourly pay of a sample of nurses is approximately normal with a mean of $38.75 and a standard deviation of $3.25. Approximately what percent of the nurses make:

a. More than $45.25?

b. Less than $48.50?

c. Between $42.00 and $45.25?

Note: Please ensure the answers are correct

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The mean starting salary for nurses is $67,694 nationally. The standard deviation is approximately $11,333. The...
The mean starting salary for nurses is $67,694 nationally. The standard deviation is approximately $11,333. The starting salary is normally distributed. A sample 35 starting salaries for nurses is taken. Find the probability that the sample mean is more than $68,000. Represent the probability with a graph.
variable x will have a distribution that is approximately normal with mean ? = 80 and...
variable x will have a distribution that is approximately normal with mean ? = 80 and standard deviation ? = 21. Note: After 50 years of age, both the mean and standard deviation tend to increase. For an adult (under 50) after a 12-hour fast, find the following probabilities. (Round your answers to four decimal places.) (a) x is more than 60 (b) x is less than 110 (c) x is between 60 and 110 (d) x is greater than...
Weights in kilograms of boys at the start of 1st grade are approximately normal with mean...
Weights in kilograms of boys at the start of 1st grade are approximately normal with mean 25, standard deviation 5. Use the 68-95-99.7 Rule to estimate the following weights. (Round your answers to the nearest kilogram.) (a) The probability is 0.002 that a boy at the start of 1st grade is less than what weight? Correct: (smaller value) (larger value) (b) The probability is 0.12 that a boy at the start of 1st grade is more than what weight? kg...
A sample of 25 day shift nurses is taken and they report a mean of 7.0...
A sample of 25 day shift nurses is taken and they report a mean of 7.0 and a standard deviation of 1.0 hours of sleep. A sample of 16 night shift nurses report a mean of 6.1 and a standard deviation of .8 hours of sleep. At an alpha of .05, do we have evidence that day shift nurses sleep on the average MORE than night shift nurses? a. Null/Alternate Hypotheses b. Test Statistic c. Critical regions d. Reject/Fail to...
The distribution of heights of adult men is approximately normal with mean 69 inches and standard...
The distribution of heights of adult men is approximately normal with mean 69 inches and standard deviation of 2.5 inches.   a. What percent of men are shorter than 66 inches? b. The distribution of heights of adult men is approximately normal with mean 69 inches and standard deviation of 2.5 inches. What is the probability that a man is taller than 74 inches? c.. What is the probability that a man is between 70 and 72 inches tall?
The distribution of heights of adult men in the U.S. is approximately normal with mean 69...
The distribution of heights of adult men in the U.S. is approximately normal with mean 69 inches and standard deviation 2.5 inches. Use what you know about a normal distribution and the 68-95-99.7 rule to answer the following. NOTE: If your answer is a percent, such as 25 percent, enter: "25 PERCENT" (without the quotes). If your answer is in inches, such as 10 inches, enter: "10 INCHES" (without the quotes and with a space between the number and the...
The summer monsoon rains in a country follow approximately a Normal distribution with mean 853 millimeters...
The summer monsoon rains in a country follow approximately a Normal distribution with mean 853 millimeters (mm) of rainfall and standard deviation 88 mm. (Round your answers to two decimal places.) (a) In a drought year, 694 mm of rain fell. In what percent of all years will this country have 694 mm or less of monsoon rain? (b) "Normal rainfall" means within 20% of the long-term average, or between 682 mm and 1024 mm. In what percent of all...
The reading speed of second graders is approximately normal, with a mean of 90 words per...
The reading speed of second graders is approximately normal, with a mean of 90 words per minute and a standard deviation of 10 words per minute. a) Find the probability a random sample of 25 students would have a mean reading speed of more than 95 words per minute? b) Find the probability a random sample of 25 students would have a mean reading speed between 85 and 90 words per minute
Exam scores in a MATH 1030 class is approximately normally distributed with mean 87 and standard...
Exam scores in a MATH 1030 class is approximately normally distributed with mean 87 and standard deviation 5.2. Round answers to the nearest tenth of a percent. a) What percentage of scores will be less than 93? % b) What percentage of scores will be more than 80? % c) What percentage of scores will be between 79 and 88? %
test scores in a MATH 1030 class is approximately normally distributed with mean 86 and standard...
test scores in a MATH 1030 class is approximately normally distributed with mean 86 and standard deviation 6. Round answers to the nearest tenth of a percent. a) What percentage of scores will be less than 88? % b) What percentage of scores will be more than 82? % c) What percentage of scores will be between 81 and 87? %
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT