consider a standard normal distribution to answer the following question .draw the normal curve, shade the...
consider a standard normal distribution to answer the following question .draw the normal curve, shade the appropriate region and solve the following question
a ) P( Z < -1.50 )
b ) P (- 1.00 < Z < 0.50 )
c ) what is the Z score that separates the upper 3% from the lower 97% of a normal distribution
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consider a standard normal distribution to answer the following
question .draw the normal curve, shade the...
8 StatCrunch. IHE Normal Distribution For 1-3, draw the standard normal curve for each and shade...
8 StatCrunch. IHE Normal Distribution For 1-3, draw the standard normal curve for each and shade the appropriate region. 1. The area to the left of z 1.04 2. The area between z =-34 and z-1.03 3. Find the area of zz0- 4. Dunlop Tires manufactures a tire with a lifetime that approximately follows a normal distribution with a mean of 70,000 miles and a standard deviation of 4400 miles. a. What proportion of the tires will last for a...
d the area under the standard normal curve that corresponds to the following Z values, e...
d the area under the standard normal curve that corresponds to the following Z values, e given bell shaped curves, identify, and shade the appropriate region: (1 point ea) Fin Use th 11) P(z > 2.37) 12) P(z< -1.26) 13) P (-0.85<z2.44) 14) Find the Z score for the standard normal distribution using the given bell shaped curve P( -z<Z<z)-0.95 15) Find the Z score for the standard normal distribution using the given bell shaped curve P(Z>z)-0.881000
Question 3: Consider the Standard Normal Distribution with mean 0 and standard deviation 1. Find the...
Question 3: Consider the Standard Normal Distribution with mean 0 and standard deviation 1. Find the following. a) P (z>0.5) b) P(z 1.5) c) P (-0.49 < z1.5) Question 4: If you have a normal distribution with mean 14 and standard deviation of 2. What is P(x >16)? Question 5 Professor Hardy assumes the exam scores are normally distributed and wants to grade "on a curve." The mean score was 68, with a standard deviation of 9, If he wants...
14. Given a standard normal distribution, find: (For full credit need to draw the curve and...
14. Given a standard normal distribution, find: (For full credit need to draw the curve and shade the area) a) P(−1.13 < z < 3.11). b) P (0.21 < z < 0.81).
1) Find the area und scores. Ensure that you also draw the curve and shade the...
1) Find the area und scores. Ensure that you also draw the curve and shade the area er the standard normal probability distribution between the following pairs of z- you are solving for a. z 0 and z -2.00 b. z 0 and z 3.00 cz-0 and z 1.5 2) Find the following probabilities for the standard random variable z. Ensure that you all curve and shade the area you are solving for. a. P(z >1.46) b. P(z -1.56) c....
(1 point) Find the Z-score from the standard normal distribution that satisfies each of the following...
(1 point) Find the Z-score from the standard normal distribution that satisfies each of the following statements. Draw an appropriate diagram, shade the appropriate region that represents for each Z-scores. Round your answers to 2 decimal places. (a) The point z with 5.05 percent of the observations falling below it. ZE (b) The closest point z with 7.68 percent of the observations falling above it. z =
- What proportion of a normal distribution is located between each of the following Z-score boundaries?...
What proportion of a normal distribution is located between each of the following Z-score boundaries? a. z= -0.50 and z= +0.50 b. z=-0.90 and z= +0.90 c. z=-1.50 and z= 1.50 For a normal distribution with a mean of μ = 80 and a standard deviation of σ= 20, find the proportion of the population corresponding to each of the following. a. Scores greater than 85. b. Scores less than 100. c. Scores between 70 and 90. IQ test scores are standardized to produce a normal distribution with...
2. What are the parameters (Mean and standard deviation) for a standard normal distribution? 3. Find...
2. What are the parameters (Mean and standard deviation) for a standard normal distribution? 3. Find the critical value for Zoo 4. Find the z score that would give us the area in the right 30% of the standard normal curve. 5. Find the area to the left of z = -0.42. Draw a standard normal curve of the region described. 6. Find the area to the right of z=0.89. Draw a standard normal curve of the region described. 7....
5) Find the area under the standard normal curve that corresponds to the following Z values,...
5) Find the area under the standard normal curve that corresponds to the following Z values, Use the given bell-shaped curves, identify, and shade the appropriate region: (2 points ea.) a) p(0 <z < 0.92) b) p(z < -1.23) c)p(-2.07 <z< 1.88)
In a standard normal distribution, find the following values: The probability that a given z score...
In a standard normal distribution, find the following values: The probability that a given z score is less than -2.67 The probability that a given z score is between 1.55 and 2.44 The z scores that separates the most inner (middle) 82% of the distribution to the rest The z score that separate the lower 65 % to the rest of the distribution
8 StatCrunch. IHE Normal Distribution For 1-3, draw the standard normal curve for each and shade the appropriate region. 1. The area to the left of z 1.04 2. The area between z =-34 and z-1.03 3. Find the area of zz0- 4. Dunlop Tires manufactures a tire with a lifetime that approximately follows a normal distribution with a mean of 70,000 miles and a standard deviation of 4400 miles. a. What proportion of the tires will last for a...
d the area under the standard normal curve that corresponds to the following Z values, e given bell shaped curves, identify, and shade the appropriate region: (1 point ea) Fin Use th 11) P(z > 2.37) 12) P(z< -1.26) 13) P (-0.85<z2.44) 14) Find the Z score for the standard normal distribution using the given bell shaped curve P( -z<Z<z)-0.95 15) Find the Z score for the standard normal distribution using the given bell shaped curve P(Z>z)-0.881000
Question 3: Consider the Standard Normal Distribution with mean 0 and standard deviation 1. Find the following. a) P (z>0.5) b) P(z 1.5) c) P (-0.49 < z1.5) Question 4: If you have a normal distribution with mean 14 and standard deviation of 2. What is P(x >16)? Question 5 Professor Hardy assumes the exam scores are normally distributed and wants to grade "on a curve." The mean score was 68, with a standard deviation of 9, If he wants...
1) Find the area und scores. Ensure that you also draw the curve and shade the area er the standard normal probability distribution between the following pairs of z- you are solving for a. z 0 and z -2.00 b. z 0 and z 3.00 cz-0 and z 1.5 2) Find the following probabilities for the standard random variable z. Ensure that you all curve and shade the area you are solving for. a. P(z >1.46) b. P(z -1.56) c....
(1 point) Find the Z-score from the standard normal distribution that satisfies each of the following statements. Draw an appropriate diagram, shade the appropriate region that represents for each Z-scores. Round your answers to 2 decimal places. (a) The point z with 5.05 percent of the observations falling below it. ZE (b) The closest point z with 7.68 percent of the observations falling above it. z =
2. What are the parameters (Mean and standard deviation) for a standard normal distribution? 3. Find the critical value for Zoo 4. Find the z score that would give us the area in the right 30% of the standard normal curve. 5. Find the area to the left of z = -0.42. Draw a standard normal curve of the region described. 6. Find the area to the right of z=0.89. Draw a standard normal curve of the region described. 7....
5) Find the area under the standard normal curve that corresponds to the following Z values, Use the given bell-shaped curves, identify, and shade the appropriate region: (2 points ea.) a) p(0 <z < 0.92) b) p(z < -1.23) c)p(-2.07 <z< 1.88)
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