The patient recovery time from a particular surgical procedure is normally distributed with a mean of 4 days and a standard deviation of 2 days. Let X be the recovery time for a randomly selected patient. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. What is the median recovery time? days c. What is the Z-score for a patient that took 6 days to recover?

Question

Please help with A,B,C

The patient recovery time from a particular surgical procedure is
normally distributed with a mean of 4 days and a standard
deviation of 2 days. Let X be the recovery time for a randomly
selected patient. Round all answers to 4 decimal places where
possible.
a. What is the distribution of X? X - N(
b. What is the median recovery time?
days
c. What is the Z-score for a patient that took 6 days to recover?
Expand
Transcribed Image Text

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 4 days and a standard deviation of 2 days. Let X be the recovery time for a randomly selected patient. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. What is the median recovery time? days c. What is the Z-score for a patient that took 6 days to recover?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Statistics

Advanced Topics in Statistics

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: How do you solve, ref W10Q4

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: You measure 45 turtles' weights, and find they have a mean weight of 62 ounces. Assume the populatio...

A: Click to see the answer

Q: 21.1% of flowers of a certain species bloom "early" (before May 1st). You work for an arboretum and ...

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want solution...

Q: 72% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal pl...

A: I will use excel to solve this question. https://drive.google.com/file/d/18goMRBrhc5ibw04bsCc3pi...

Q: You measure 36 textbooks' weights, and find they have a mean weight of 67 ounces. Assume the populat...

A: Click to see the answer

Q: Suppose that Dunlop Tire manufactures a brand of tires with lifetime miles that follows a normal dis...

A: Note: As per our Honor code policy, we are authorized to answer only three sub parts at a time. So, ...

Q: Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.t Suppose a small ...

A: Since we know population standard deviation, use z-distribution to find z-critical value. https...

Q: Consider the probability distribution shown below. x 0 1 2 P(x) 0.45 0.50 0.05 Compute the ...

A: 0 0.45 0 0 0 1 0.5 0.5 1 0.5 2 0.05 0.1 4 0.2       Compute the expected value of the dis...

Q: random samples, each with n = 9 scof 9 score SCO mat is the expected value for the distribi

A: According to the sum, random samples each with n=7 are selected from a normal population with μ=80 a...

Q: Which of the following is TRUE about z-scores? The data will always include an observation with a z-...

A: Given: True and False Statement is provided  

Q: A survey is conducted among 70 people. Details about if they have diabetes and their family history ...

A: Click to see the answer

Q: 1. A manager at an ice cream store to determine how many customers to expect on any given day. Overa...

A: A manager at an ice cream store want to determine how many customers to expect on any given day. He ...

Q: In order to estimate the average time spent on the computer terminals per student at a local univers...

A: Since we know population standard deviation, use z-distribution to find z-critical value. Find z-cri...

Q: In the Healthy Hand-washing Survey, it was found that 64% of adult Americans operate the flusher of ...

A: According to the sum,  it was found that 64% of adult Americans operate the flusher of toilets in pu...

Q: Help

A: Policy: Since you have posted a question with multiple sub-parts, we will solve first three subparts...

Q: A linguist is interested in the average lengths of words in different languages. She uses an article...

A: Given that : A linguistic is interested in average length of the words.  1. We have to test whether ...

Q: A person with type O-postive blood can receive blood only from Problem #2 other type O donors. About...

A: A person with type O-positive blood can receive blood only from other type O donors. About 40% of th...

Q: An ore sample was analyzed for its Fe content. Student A analyzed the sample a total of six times an...

A: From the given information, Sample standard deviation (s1) =1.33 Sample standard deviation (s1) =3.4...

Q: 4) In the following null and alternative hypotheses Họ : u =68 and HA: H+ 68 , a = 0.02 , x = 69.02 ...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: If there are 3 people in a room, what is the probability that at least one of them celebrates his/he...

A: It is given that there are 3 people in a room. Let consider the year is non-leap year. Total number ...

Q: Describe the relationship between two variables when the correlation coefficient r is(a) near -(b) n...

A: Correlation coefficient (r) -  r is the measure of strength and direction of the linear correlation...

Q: A deck of playing cards contains 52 cards, four of which are aces. (Round your answers to four decim...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: For a standard normal distribution, find:P(z > 1.72)Express the probability as a decimal rounded ...

A: P(Z>1.72) is given.It is right tailed.

Q: online customer service is a key element to successful online retailing. According to a marketing su...

A: Click to see the answer

Q: You are performing a left-tailed test.If α=.002α=.002, find the critical value, to three decimal pla...

A: Left tailed test is performed. Hypotheses are, H0: µ=µ0 H0: µ<µ0

Q: Given is the study table tabulated by researcher for patients on a new drug. Compute the odds ratio ...

A: Click to see the answer

Q: Suppose that the weight of seedless watermelons is normally distributed with mean 6 kg. and standard...

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-pa...

Q: A manager wants to see if geographical region (Cape Town, Durban and Gauteng) is related with owners...

A: Given: Chi square test statistic = 0.412 Assumed significance level = 0.05

Q: A Car Dealership survey asked 46 questions about a buyer's characteristics and interests. State whet...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: The probability distribution for the daily sales at Michael's Co. is given below. Daily Sales (In $1...

A: Given Observation  

Q: help with a,b,c please.

A: (a)   Determine the distribution of X.   The distribution of X is determined below as follows:  

Q: A laboratory blood test is 95% effective in detecting a certain disease when it is in fact, present....

A: Define the following events:   A: a person is unhealthy B: a person is healthy. E: a randomly select...

Q: Trying to figure out

A: The null and alternative hypotheses are given below: Null Hypothesis: H0:β1=0 Alternative Hypothesis...

Q: A study based on a random sample of 10 U.S. female adults reported a sample mean height of 65 inches...

A: 1. The margin of error for the true population mean height of adult women is 1 inch, and 4 inches as...

Q: A graduate student wanted to estimate the average time spent studying among graduate students at her...

A: Click to see the answer

Q: Probability

A: Getting one contract is independent of getting another contract.  As well as the probability that an...

Q: 5) A company claims that the coffee contents in a bottle of coffee are at least 200 grams. To test t...

A: Given information, A company claim that the coffee contents in a bottle of coffee are at least 200 g...

Q: The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean...

A: Policy: Since you have posted a question with multiple sub-parts, we will solve first three subparts...

Q: Statistics Question

A: Consider, Pfemale|bachelor's or more in educational attainment=Pfemale and bachelor's or more in edu...

Q: ccording to the U.S. Department of Agriculture, the average American consumed 54.3 pounds (approxima...

A: Let X denote the distribution of salad and cooking oil consumption and it follows normal distributio...

Q: You are performing a two-tailed test.If α=.001α=.001, find the positive critical value, to three dec...

A: Computation of critical value: α=0.001α2=0.00051-α2=0.9995 The critical value of z-distribution can ...

Q: A laboratory blood test is 95% effective in detecting a certain disease when it is in fact, present....

A: Given that, A laboratory blood test is 95% effective in detecting a certain disease when it is in fa...

Q: A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older su...

A: Given that, Sample size n=20 Sample mean x¯=69.6 Sample standard deviation s=42 Hypothesis: H0:μ≥106...

Q: A mail order company has 12.5% success rate of having people purchase their products.lt mails advert...

A: From the given information, n =686.

Q: An unknown distribution has a mean 12 and a standard deviation of one. A sample size of 25 is taken....

A: The value of P(∑x< 280) is obtained below:: From the given information, the value of mean is 12 a...

Q: A tire store advertises that the average price of a new set of their tires is only $150. One of thei...

A: As per the information given, the hypothesis of interest is      H0: μ=150  vs   H1:μ>150 (right-...

Q: Does the sample size ? affect the mean of all possible sample means?Explain your answer.

A: According to central limit theorem, for large sample (>30) or if the population follows normal di...

Q: In statistics why can't we accept the null hypothesis?

A: To perform a hypothesis test, it is first necessary to define an assumed set of conditions (Hypothes...

Q: Question 20             Annual expenditure for prescription drugs was $838 per person in the North...

A: (a) Here, the claim of the test is that the sample data support the conclusion that the population a...