The patient recovery time from a particular surgicalprocedure is normally distributed with a mean of 6.5 daysand standard deviation of 1.3 days. Write your answers inpercent form. Round your answers to the nearest tenth ofa percent.a) What is the probability of spending less than 9 days inrecovery?b) What is the probability of spending more than 7 days inrecovery?c) What is the probability of spending between 7 days and9 days in recovery?

Answered: Image /qna-images/answer/ee2894f9-6a58-4240-bd63-3f339a2bb751.jpg

Answered: The patient recovery time from a…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

80% of beans seeds sprout. Three seeds were planted. Find the distribution of the variable X = number of seeds that sprout. Find its mean value, variation and the probability that (a) at least two seeds sprout, (b) no one. [Ans.0, 816; 0, 008 ]
In a normal distribution, what z-score cuts off the top 65% of the distribution?a. z = 0.7422b. z = 0.2578c. z =0.39d. z = -0.39
Assume that adults have scores that are normally distributed with a mean of 100 and a standard deviation of 15. For a randomly selected adult, find the indicated probability. Round to 4 decimals. Find the probability of a score greater than 70.
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
The mean of a normal probability distribution is 120 the standard deviation is 10. About what percent of the observations lie between 110 and 130
Write the formulae 60% of all the students passed an exam. If a random sample of 10 students is selected, What is the mean and the standard deviation ?
The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the standard deviation is σ = 4 years, what is the probability of a person living to at least 92 years of age?
81. According to a recent Pew Research poll, 75% of millennials (people born between 1981 and 1995) have a profile on a social networking site. Let X = the number of millennials you ask until you find a person without a profile on a social networking site. a. Describe the distribution of X. b. Find the (i) mean and (ii) standard deviation of X. c. What is the probability that you must ask ten people to find one person without a social networking site? d. What is the probability that you must ask 20 people to find one person without a social networking site? e. What is the probability that you must ask at most five people?
Assume that the number of days from conception to birth is normally distributed with a mean of 258 days and a standard deviation of 10 days. What is the probability that my pregnancy will be between 238 and 278 days? O 75 85 47.5 98 O 95
n a Mathematics test, the mean is �=89.00 and the standard deviation �=5. What is the z-score for your score �=96
I’m taking probability and statistics class. Please get this correct as I’m using this to study. Thank you so much
Use your Ti-84 to find the mean and standard deviation of the discrete probability distribution below. Match your screen shot with the correct screen shot.

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS