Housing prices in a large neighborhood are normally distributed with a mean of $166,500 and a deviation of $3,625. What percentage cost more than $170,000?
Housing prices in a large neighborhood are normally distributed with a mean of $166,500 and a...
24. The prices of new homes are distributed normally with mean $150,000 and standard deviation $1,700. What percentage of buyers paid more than $152,074? С a. 47.53% С с. 38.88% C b. 11.12% С d. 88.88%
Suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000. Find the percentage of buyers who paid less than $153,264 if the standard deviation is $1600. Answer in decimal form.
A set of laptop prices are normally distributed with a mean of $750 and a standard deviation of $60. What percentage of the laptop prices are between $624 and $768? Question 3 options: a) 75% b) 45% c) 53% d) 60%
The annual salaries of employees in a large company are normally distributed with a mean of $50,000 and a standard deviation of $20,000. What percentage of people earn between $45,000 and $65,000? Round to the second decimal place.
Annual salaries for employees in a large company are approximately normally distributed with a mean of $50,000 and a standard deviation of $20,000. What percentage of company workers make under $40,000?
A large manufacturing plant uses lightbulbs with lifetimes that are normally distributed with a mean of 1000 hours and a standard deviation of 50 hours. To minimize the number of bulbs that burn out during operating hours, all bulbs are replaced at once. How often should the bulbs be replaced so that no more than 1% burn out between the replacement periods? 884 584 501 O 484 381
The weights of employees in a large company are normally distributed with a mean of 88 kg and a standard deviation of 21 kg. What is the probability that the weight of a randomly selected employee is 89kg?
The heights of trees in a large grove are normally distributed with a mean of 85 feet and a standard deviation of 10 feet. Explain your answers and provide a drawing of the probability (area under the curve) for each situation. What is the probability that a tree selected at random is more 100 feet tall? What is the percentile rank of a tree that is 80 feet tall? What is the minimum height of a tree that is in...
all questions. Do not round answers 1. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. a. What percentage of scores is between 55 and i 15? b. In a group of 20,000 randomly selected individuals, how many have an IQ score of 130 or more? 2. A Honda Civic has its gas mileage (in miles per gallon, or mpg) normally distributed, with a mean of 33 mpg and a standard deviation of...
The wait times to see a doctor at a large clinic are normally distributed with a mean of 68.2 minutes and a standard deviation of 14.8 minutes. If a simple random sample of 25 patients is selected, find the probability that the sample mean wait time is more than 75 minutes. Round to four decimal places.