Approximately ___% of the area under the normal curve is between 1 standard deviation above and below the mean.
From the central limit theorem,
Approximately 68 % of the area under the normal curve is between 1 standard deviation above and below the mean.
Approximately ___% of the area under the normal curve is between 1 standard deviation above and...
1. Determine the area under the standard normal curve that lies between the following values. z=1 and z=2 2.Find the area under the standard normal curve to the right of z=1. 3. Assume that the random variable X is normally distributed, with mean mu equals 80 and standard deviation sigma equals 10. Compute the probability P(X>88). 2. Determine the area under the standard normal curve that lies between the following values. z=1 and z=2 3. A new phone system was...
12 Find the percent of area under a normal curve between the mean and - 1.12 standard deviations from the mean. (Note that positive indicates above the mean, while negative indicates below the mean.) Click here to see page 1 of the table for areas under the standard normal curve Click here to see page 2 of the table for areas under the standard normal curve. %. The percentage of area under a normal curve between the mean and -1.12...
Find the area under the normal curve with mean 45 and standard deviation 3.5 between x=42.1 and x=50.3. Round to four decimal places.
1. a) About ____ % of the area under the curve of the standard normal distribution is between z=−0.409z=-0.409 and z=0.409z=0.409 (or within 0.409 standard deviations of the mean). b) About ____ % of the area under the curve of the standard normal distribution is outside the interval z=[−0.78,0.78]z=[-0.78,0.78] (or beyond 0.78 standard deviations of the mean). c) About ____ % of the area under the curve of the standard normal distribution is outside the interval z=−0.86z=-0.86 and z=0.86z=0.86 (or...
Consider the normal distribution with mean 50 and standard deviation 5. Find the area under the normal curve and above the interval [58,0o) on the horizontal axis Click the icon to view the area under the standard normal curve table The area under the normal curve for the interval [58,00) is Enter your answer in the answer box and then click Check Answer.
1.) Find the area under the standard normal curve between -1.37 and the mean, P(-1.37 < z < 0.00). (Give your answer correct to four decimal places.) 2.) Find the area under the standard normal curve between z = -1.89 and z = 1.21, P(-1.89 < z < 1.21). (Give your answer correct to four decimal places.) 3.) Find the area under the standard normal curve between z = -2.57 and z = 1.51, P(-2.57 < z < 1.51). (Give...
Find the indicated area under the curve of the standard normal distribution; then convert it to a percentage and fill in the blank. About ______% of the area is between z equals minus 1 and z equals 1 (or within 1 standard deviation of the mean).
Find the area under the normal curve with mean 45 and standard deviation 3.5 to the right of x=48. Round to four decimal places.
1. Find the area under the standard normal curve that lies outside the interval between z= 0.57 and z= 1.82 2. Find the area under the standard normal curve to the left of z= 1.15 3. Find the area under the standard normal curve to the right of z= 2.04 4. Find the area under the standard normal curve that lies between z= =1.32 and z= 1.43
The area under the standard normal curve that lies to the left of -1.8 is 0.0359. Without consulting a the table giving areas under the standard normal curve, determine the area under the standard normal curve that lies to the right of 1.8. answer: b) Which property of the standard normal curve allowed you to answer part a)? A. The standard normal curve extends indefinitely in both directions B. The standard normal curve is symmetric about 0 C. Almost all...