The mean incubation time of fertilized eggs is 21 days. Suppose the incubation times are approximately normally distributed with a standard deviation of 1 day. (a) Deternie the 19th percentile for incubation times. (b) Determine the incubation times that make up the middle 95% of fertilized eggs. (a) The 19th percentile for incubation times is 20 days. (Round to the nearest whole number as needed.) todays. (b) The incubation times that make up the middle 95% of fertilized eggs are (Round to the nearest whole number as needed. Use ascending order.)

Q: he ages of people living in a retirement community are normally distributed with a mean age of 68…

A: Let X denote the ages of people living in a retirement community and it follows normal distribution…

Q: an exam score has a mean of 506 and a standard deviation of 100. What exam score corresponds to a…

A: μ  = 506 , σ = 100  Z~ N(0,1)

Q: Times for a surgical procedure are normally distributed. There are two methods. Method A has a mean…

A:

Q: A student has taken a 50-point exam and wants to know how his score of 38 compares to the scores of…

A: It is given that Mean = 40 Standard deviation SD = 4 Score X = 38

Q: The scores on a standardized test are normally distributed with a mean of 105 and standard deviation…

A: Here, mean is 105 and standard deviation is 10.

Q: Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard…

A: Solution: Let X be the adults IQ score has normally distributed with mean μ=100 and standard…

Q: The scores on a standardized test are normally distributed with a mean of 95 and standard deviation…

A: Given that, The scores on a standardized test are normally distributed with, Mean = 95 Standard…

Q: The weight of a type of dog follows Normal distribution with mean of 10 pounds and standard…

A: It is given that the mean and standard deviation are 10 and 2.

Q: if a student scored 88 points on a test when the mean score was 80.2 and the standard deviation was…

A: From the provided information, Mean (µ) = 80.2 Standard deviation (σ) = 5.7

Q: difficult exam has a normal distribution with a mean of 50 and a standard deviation of 10. Find the…

A: #  Here given that        X~Nμ,σ  and        z=x-μσ→                    1 So according to equation…

Q: he distribution for the time a patient of a medical center spends waiting for an appointment is…

A: Given data,μ=35σ=12P(11<X<35)=?

Q: A normal population has a mean= 61 and standard deviation=16. what proportion of the population is…

A: From the provided information, Mean (µ) = 61 Standard deviation (σ) = 16 X~N (61, 16)

Q: The mean length of one-year-old spotted flounder, in millimeters, is 127 with standard deviation of…

A:

Q: The distribution for the time a patient of a medical center spends waiting for an appointment is…

A: Given data, μ=35σ=12P(X>60)=?

Q: If the mean exam score of a class was 75%, with a standard deviation of 15%,what percent of students…

A: Given,mean(μ)=0.75standard deviation(σ)=0.15

Q: A random sample of 100 male students is drawn from a particular class. The mean and standard…

A:

Q: The scores on a standardized test are normally distributed with a mean of 90 and standard deviation…

A:

Q: The mean and variance of population with sample size is 100 is 20 and 4 respectively.Calculate the…

A:

Q: The battery of cellphones tend to work less efficiently the longer you have your phone and…

A: We have given that the cellphone battery life follows a normal distribution with a mean of 3 years…

Q: Adult Golden Retrievers have a mean weight of 64 pounds with a standard deviation of 8 pounds. If…

A: In this scenario, it is known that the  mean weight is 64 pounds with a corresponding standard…

Q: It takes an average of 8 minutes for blood to begin clotting after an injury. An EMT wants to see if…

A: Solution:- from given information claim:  if the average of 8 minutes will increase if the patient…

Q: an exam score has a mean of 506 and a standard deviation of 100. What exam score corresponds to a…

A:

Q: Assume the random variable X is normally distributed with a mean of 50 and a standard deviation of…

A:

Q: a life time of a certain brand of tires is approximately normally distributed with a mean of 42,500…

A: Given information- Population mean, µ = 42,500 miles Population standard deviation, σ = 3200 miles…

Q: The scores of a standarlized test form a normal distribution with a mean of 300 and standard…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1400…

A: The Normal distribution which is also known as the Gaussian distribution is a continuous probability…

Q: Weights of incoming college freshmen are normally distributed with a mean of 150 lbs. and a standard…

A:

Q: The mean pulse rate​ (in beats per​ minute) of adult males is equal to 69 bpm. For a random sample…

A:

Q: Scores on the SAT test have a mean of 1518 and a standard deviation of 325. If 100 students are…

A: Scores on the SAT test have a mean of 1518 and a standard deviation of 325.

Q: When Avani goes bowling, her scores are normally distributed with a men of 145 and a standard…

A: The normal distribution  in the center are generally denser and basically less denser at tails.…

Q: The average age of senators in the 108th Congress was 58 years. If the standard deviation was 11…

A: Average or mean (μ) = 58 years and standard deviation (σ) = 11 years  Then, We will find the z…

Q: A simple random sample of 36 observations was taken from a large population. The sample mean and the…

A: