Suppose X~N(4, 2). a) What value of x is 1.5 standard deviations to the left of...
Suppose X~N(4, 2).
a) What value of x is 1.5 standard deviations to the left of the mean?
b) What is the 90th percentile of X?
Express your answers with 3 decimals.
Homework Answers
TOPIC:Normal distribution.
Add Answer to:
Suppose X~N(4, 2).
a) What value of x is 1.5 standard deviations to the left of...
suppose x~N(5,2.1). what x- value is 1.8 standard deviations to the left of the mean? round...
suppose x~N(5,2.1). what x- value is 1.8 standard deviations to the left of the mean? round answer two decimal places
Suppose X ~ N(4, 2). What value of x is two standard deviations to the right...
Suppose X ~ N(4, 2). What value of x is two standard deviations to the right of the mean? (Enter an exact number as an integer, fraction, or decimal.)
Suppose X ~ N(3, 2). What value of x is two standard deviations to the right...
Suppose X ~ N(3, 2). What value of x is two standard deviations to the right of the mean? (Enter an exact number as an integer, fraction, or decimal.) x =
A)What is the z-score of x = 4, if it is 1.9 standard deviations to the...
A)What is the z-score of x = 4, if it is 1.9 standard deviations to the left of the mean? (Enter an exact number as an integer, fraction, or decimal.) z = B) What is the z-score of x = 5, if it is 0.166 standard deviations to the left of the mean? (Enter an exact number as an integer, fraction, or decimal.) z = C) Suppose X ~ N(12, 1). What value of x has a z-score of −2.25?...
Standardize a Normally Distributed Random Varlable Question Suppose X~N(13.5, 1.5), and 9. Find and interpret the z...
Standardize a Normally Distributed Random Varlable Question Suppose X~N(13.5, 1.5), and 9. Find and interpret the z-score of the standardized normal random variable. Sorry, that's incorrect. Try again? The mean is The z-score when x-9 is standard deviations to the left of the mean. This z-score tells you that x-9 is
Standardize a Normally Distributed Random Varlable Question Suppose X~N(13.5, 1.5), and 9. Find and interpret the z-score of the standardized normal random variable. Sorry, that's incorrect. Try again? The...
Suppose that student’s z score is 3.00 what does this mean? discuss in terms of units of standard deviation It means the value defined by z-score is 3 standard deviations away from the mean value...
Suppose that student’s z score is 3.00 what does this mean? discuss in terms of units of standard deviation It means the value defined by z-score is 3 standard deviations away from the mean value. Discuss in terms of its percentile score. In terms of percentile score, its mean amount of data lies below the value. Z=3 represent the 99.87 the percentile. 4. How does this student’s z score differ from another student whose z score is -3.00 5. If...
Suppose X is a normal random Variable with mean p = 46 and standard deviations 11...
Suppose X is a normal random Variable with mean p = 46 and standard deviations 11 (a) Compute the z-value corresponding to X = 30 (1) Suppose the area under the standard normal curve to the left of the value found in part(a) is 0.0729. What is the area under the normal curve to the left of X (c) What is the area under the normal curve to the right of X=30? 307 (Round to two decimal places as needed)
Suppose the pdf of X is f(x)= Ce^(-5x), x > 0 a. What is the value...
Suppose the pdf of X is f(x)= Ce^(-5x), x > 0 a. What is the value of the constant C? b. Find the probability P(2 < X < 4) c. Determine the 90th percentile of the distribution. d. Find the conditional probability P(X > 1.6 | X > 1).
12. Suppose that the mean of a sample of mound-shaped data is 40 and the standard...
12. Suppose that the mean of a sample of mound-shaped data is 40 and the standard deviation is 4. (4) a. Use the Empirical rule to state the probability that the data is one, two, and three standard deviations from the mean and state the intervals for each of these. (4) b. Use the Tchebysheff’s theorem to state the probability that the data is 1, 1.5, 2, and 3 standard deviations from the mean and state the intervals for each...
According to the Empirical Rule, what percentage of a normal population falls between 2 standard deviations...
According to the Empirical Rule, what percentage of a normal population falls between 2 standard deviations left of the mean and 3 standard deviations right of the mean?
Standardize a Normally Distributed Random Varlable Question Suppose X~N(13.5, 1.5), and 9. Find and interpret the z-score of the standardized normal random variable. Sorry, that's incorrect. Try again? The mean is The z-score when x-9 is standard deviations to the left of the mean. This z-score tells you that x-9 is
Standardize a Normally Distributed Random Varlable Question Suppose X~N(13.5, 1.5), and 9. Find and interpret the z-score of the standardized normal random variable. Sorry, that's incorrect. Try again? The...
Suppose X is a normal random Variable with mean p = 46 and standard deviations 11 (a) Compute the z-value corresponding to X = 30 (1) Suppose the area under the standard normal curve to the left of the value found in part(a) is 0.0729. What is the area under the normal curve to the left of X (c) What is the area under the normal curve to the right of X=30? 307 (Round to two decimal places as needed)
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 11 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 11 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 11 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 11 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 11 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 11 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 11 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 11 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 11 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 11 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 11 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 11 months ago