The graph of a normal distribution will be ________.
The graph of a normal distribution will be ________. => It has no predictable shape or Skewed left or Skewed right or Symmetric..
When can the normal distribution be used as an approximation to the bi..
When can the normal distribution be used as an approximation to the binomial distribution? => n . p = 5, n . q = 5 or n . p ≤ 5, n . q ≤ 5 or n . p > 5, n . q < 5 or n . p ≥ 5, n . q ≥ 5..
What is the total area under the normal distribution curve?
What is the total area under the normal distribution curve? => 100% or 50% or 99.7% or 1%..
Write the percentage of the area shaded in the normally distributed cu..
Write the percentage of the area shaded in the normally distributed curve shown. => 4.7% or 2.35% or 95% or 99.7%..
Find the highest control limit for a normally distributed curve with a..
Find the highest control limit for a normally distributed curve with a mean of 20 and a standard deviation of 3. => 23 or 29 or 11 or 26..
What formula is used to gain information about a sample mean when the ..
What formula is used to gain information about a sample mean when the variable is normally distributed or when the sample size is 30 or more? => z = X - μ σ or z = X ‾ - μ σ n or z = X ‾ - μ σ n or z = X - μ σ..
Let X denote the number of scores on a test. If X is normally distribu..
Let X denote the number of scores on a test. If X is normally distributed with a mean of 90 and a standard deviation of 10, find the probability that X is not less than 70. => 0.4772 or 0.7472 or 0.7972 or 0.9772..
The scores made by candidates in a certain test are normally distribut..
The scores made by candidates in a certain test are normally distributed with mean 500 and standard deviation 100. What percentage of candidates received scores greater than 700? => 2.28% or 2.82% or 47.72% or 47.27%..
The scores made by candidates in a certain test are normally distribut..
The scores made by candidates in a certain test are normally distributed with mean of 500 and standard deviation of 100. What percentage of candidates received scores between 400 and 700? => 88.15% or 81.85% or 88.51% or 85.81%..
In an aptitude test conducted to qualify for a job, the scores given w..
In an aptitude test conducted to qualify for a job, the scores given were normally distributed with a mean of 75 and a standard deviation 8. If only top 15% were to be selected, then find the cut - off scores. => 83.8 or 88.3 or 83.3 or 85..
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