Given a standard normal distribution (SND) with µ = 70 and a σ = 10, what...
Given a normal distribution with µ = 100 and σ = 10, if you select a sample of n = 25, what is the probability that ? is Between 95 and 97.5? (a) 0.9878 (b) 0.0994 (c) 0.9500 (d) 0.8616 8. Given a normal distribution with µ = 100 and σ = 10, if you select a sample of n = 25, there is a 64.8% chance that ? is above what value? [Hint find A such that P(?� >A)=0.648]...
Determine the area under a normal distribution curve with µ = 55 and σ = 7 to the right of x = 68. Be sure to draw a normal curve with the area corresponding to the probability.
Let X have a normal distribution with µ=10 and σ=2. Determine the probability or area in the normal curve for which P(8<X<12).
A normal distribution has a mean of µ = 70 with σ = 10. If one score is randomly selected from this distribution, what is the probability that the score will be greater than X = 82? a.0.3849 b.0.7698 c.0.1151 d.0.8849 n a sample with M = 40 and s = 8, what is the z-score corresponding to X = 38? a.–0.25 b.+ 0.25 c.0.50 d.–0.50 In a population of N = 10 scores, the smallest score is X =...
Let X have a normal distribution with µ=10 and σ=2. Determine the probability or area in the normal curve for which P(8<X<12). a)0.75 b)0.2275 c)0.05 d)0.6827
What percent of a standard normal distribution N(µ = 0,σ = 1) is found in each region? Be sure to draw a graph. A. |Z| > 2
Let X have a normal distribution with µ=10 and σ=2. Transform X to the standard normal form Z. Match P(X>14). a) p(z<-1) b) p(z<-2) c) p(-2<z<2) d) p (z>2)
Which of the following is true concerning the standard normal distribution? Question 46 options: 95% of the area under the curve is within ±1 standard deviations of the mean. The mean µ= 0 and the standard deviation σ = 1. All of the these. Its shape is uniform.
Suppose Z has a standard normal distribution with µ = 0 and σ = 1. Find z0 such that P(Z < z0) = 0.67 a. z0 = 0.17 b. z0 = 0.2486 c. z0 = 0.44 d. z0 = 0.95
The following questions were answered, Please create bell shaped graph to reflect answers. Week 6 Chapter 6: The Normal Distribution For this week read Chapter 6 Answer the following question: Question 1 Given a normal distribution with µ=15 and σ = 5, what is the probability that X>20 = Z = X - µ = 20 – 15 = 1 σ 5 5 We have to find P( Z >1) P(Z >1) = 1 – P(Z >1) =...