9. Glaucoma is a disease of the eye that is manifested by high intraocular pressure. The distribution of intraocular pressure in the general population is approximately normal with mean 16 mm Hg and standard deviation 3.2 mm Hg. If the normal range for intraocular pressure is between 10 and 22 mm Hg, than what percentage of the general population would fall within this range?

Q: what will be the value of X at the z score =-3 given, mean=10 and standard deviation =2?

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: Glaucoma is a disease of the eye that is manifested by high intraocular pressure. The distribution…

A: Let X denote the distribution of intraocular pressure in the general population and it approximately…

Q: Show all your work. Indicate clearly the methods you use, because you will be scored on the…

A: To find (a) to find the z-scores for a weight of 13 ounces for a bird living in the northern region…

Q: A researcher developed a standardized test to measure anxiety so that the scores distribute normally…

A: Here we need to find the required proportion.

Q: The mean score on a stress test is 5 and the standard deviation is 2. The distribution is normal.…

A: The distribution is normal with mean score on a stress test 5 and the standard deviation 2. Let X is…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: For normally distributed variables, approximately what percentage of values fall within two standard…

A: Given a normally distributed variable X. Let us assume its mean is µ and standard deviation…

Q: A variable is normally distributed with mean 10 and standard deviation 3. Find the percentage of all…

A:

Q: A variable is normally distributed with mean 10 and standard deviation 3. Find the percentage of all…

A: Given  μ =10,σ=3 X~N(μ =10,σ2 =32)  We want to find the probability  P(73<X<80)= ?  Note: This…

Q: High density lipoprotein in healthy males follow a normal distribution with a mean of 50 and a…

A: Solution : Given : X : High density lipoprotein in healthy males and X has normal distribution with…

Q: Diastolic blood pressures are assumed to follow a normal distribution with a mean of 85 and a…

A: Consider X be a random variable which follows normal variable indicates diastolic blood pressure. It…

Q: The distribution of scores on the SAT is approximately normal with a mean of u = 500 and a standard…

A: Mean(μ)=500 Standard deviation(σ)=100 The objective is to find the min. SAT score needed to be…

Q: What percentage of the data will fall between 1 standard deviation below the mean and 2 standard…

A: P(-1<z<2)=?

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: The scores on a test are normally distributed with a mean of 70 and a standard deviation of 14, find…

A:

Q: For what lengths will a bolt be​ destroyed?

A: here given, mean = 7cm standard deviation = 0.10 cm

Q: Medication used to treat a certain condition is administered by syringe. The target dose in a…

A: From the provided information, Mean (µ) = 10 milligrams Standard deviation (σ) = 1.6 Let X be a…

Q: Approximately what percentage of normally distributed data values will fall within 2 standard…

A: It is known that, normal curve is a symmetric and bell shaped distribution.

Q: if a distribution is normal with a population mean = 60 and population standard deviation = 15, what…

A: Let "X" be the scores that is normally distributed.

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

A:

Q: A sample of size 25 was gathered from high school seniors to estimate how many intended to attend…

A:

Q: If a distribution of values is known to be normal, what proportion of the cases will be found: Less…

A: From the provided information, The distribution is normal that is mean will be 0 and standard…

Q: A normal distribution has a mean of 80 with a standard deviation of 20 what score separates the…

A: Let x be the score which follows normal distribution with mean 80 and standard deviation 20. The…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: A variable is normally distributed with a hypothesized population mean of 20 and a standard…

A: It is given that the mean of the normal distribution is 20 and standard deviation is 4.

Q: A random variable Y has normal distribution with a mean of 80 and a standard deviation of 15.  What…

A: Mean()=80Standard deviation()=15

Q: a. Find a 90% confidence interval for the population mean concentration of uric acid in this…

A: xbar = 5.35 s = 1.85 n = 8

Q: Systolic  blood pressure values are approximately normally distributed with a mean of 100 mmHg and…

A: According to the given information, we have Systolic  blood pressure values are approximately…

Q: In a distribution with a mean of 20 and a standard deviation of 4, what raw score number (X) would

A:

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

A: The test score is 0.6 standard deviations above the mean is obtained below: From the given…

Q: Suppose a marine scientist is measuring salinity levels of seawater samples from the Atlantic ocean.…

A:

Q: When a distribution is bell-shaped, approximately what percentage of data values fall within 1…

A: We know that, the empirical rule which is also known as 68-95-99.7 rule.  The Empirical Rule finds…

Q: Suppose that blood chlorine concentration (mmol/L) has a normal distribution with mean=98 and…

A:

Q: Too much cholesterol in the blood increases the risk of heart disease. Young women typically have…

A: Given information: It was stated that too much cholesterol in the blood increases the risk of heart…

Q: If mean is 20 and standard deviation is 5, what value of x contain the lowest 20% of the…

A: Solution

Q: The scores on a test are normally distributed with a mean of 150 and a standard deviation of 30.…

A: The normal distribution:A continuous random variable X is said to follow normal distribution if the…

Q: (a) µ represents the population mean of children in Oklahoma. (b) State the hypotheses (Ho & Ha) for…

A: The claim is the mean hemoglobin of children in his city is different than 12.

Q: The times taken for a certain biological reaction to take place follow Normal distribution with mean…

A: Given data, Mean=46 sd=5 P(X>52)=?