The patient recovery time from a particular surgicalprocedure is normally distributed with a mean of 6.7 daysand standard deviation of 1.5 days. Answer the followingusing percentages rounded two decimal places.What is the probability of spending less than 10.9 days inrecovery?What is the probability of spending more than 7.675 days inrecovery?What is the probability of spending between 5.35 days and10 days in recovery?Submit Question

Answered: The patient recovery time from a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 38 miles per day. The mileage per day is distributed normally. Find the probability that a truck drives at least 141 miles in a day. Round your answer to four decimal places.
Q.no.3 A random sample of 34 participants in a Zumba dance class had their heart rates measured before and after a moderate 10-minute workout. The following data correspond to the increase in each individual’s heart rate (in beats per minute): 59, 70, 57, 42, 57, 59, 41, 54, 44, 36, 59, 61, 52, 42, 41, 32, 60, 54, 52, 53, 51, 47, 62, 62, 44, 69, 50, 37, 50, 54, 48, 52, 61, 45. a)What is the point estimate of the corresponding population mean?b) Make a 98% confidence interval for the average increase in a person’s heart rate after a moderate 10-minute Zumba workout.?
Show complete and clear (if it is hand writing) solution and also provide given and illustration if possible. Thank you. explain your answer
Use the normal distribution of SAT critical reading scores for which the mean is 514 and the standard deviation is 115. Assume the variable x is normally distributed. (a) What percent of the SAT verbal scores are less than 650? (b) If 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater than 550? Click to view page 1 of the standard normal table. LOADING... Click to view page 2 of the standard normal table. LOADING... Question content area bottom Part 1 (a) Approximately 1.181.18% of the SAT verbal scores are less than 650. (Round to two decimal places as needed.) Part 2 (b) You would expect that approximately 0.880.88 SAT verbal scores would be greater than 550. (Round to the nearest whole number as needed.)
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the probability that an individual has an IQ higher than 94. Find the probability that an individual has an IQ between 85 and 112. Find the IQ score that separates the highest scoring 28.1% from the rest of the population.
Scores from the midterm statistics exam followed a normal distribution with a mean of 69 and a standard deviation of 10. If a student had to score at least an 93 to earn an A, what is the probability that a student earned an A? (Use a table or technology. Round your answer to four decimal places.)
SAT exam math scores are normally distributed with mean 523 and standard deviation 89. Give the probability a test taker will score between a 500 and 600 on the math portion of the SAT. round to four decimal places.
Round z-score to the nearest hundredth and then find the required A values using the table. The amount of time customers spend waiting in line at a bank normally distributed, with a mean of 3.0 minutes and a standard deviation of 7.5 minute. Find the probability that the time a customer spends waiting is as follows. (A) Less than 3.5 minutes and (B) less than 1.5 minutes.
z Scores LeBron James, one of the most successful basketball players of all time, has a height of 6 feet 8 inches, or 203 cm. Based on statistics from Data Set 1 “Body Data” in Appendix B, his height converts to the z score of 4.07. How many standard deviations is his height above the mean?
Rhiannon made her first sky dive while in college. Based on a normal distribution with mean 52.8 years and standard deviation 10.3, what must the age of a skydiver be to fall in the bottom 11.12% of the distribution? 38.561 65.368 40.232 33.814
A flooring company sells carpet by the metre off of a standard sized roll. The mean amount of carpet sold per month is known to have a normal distribution. If the probability of selling more than 1,000 metres per month is 0.0668 and the standard deviation is 100 metres, what is the mean amount of carpet sold? 900 1100 1150 850 The amount of coffee poured into a large coffee cup at the campus Tim Horton's has a distribution that is skewed to the right with a mean of 600 ml and a standard deviation of 50 ml. For a random sample of 100 large cups poured, what is the mean of the sampling distribution? 50 600 100 50 √100
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