Introduction to Normal Distribution and Standard Normal Distribution
Normal Distributions: Finding Probabilities
Normal Distribution: Finding Values
Sampling Distributions and the Central Limit Theorem
Normal Distributions to Binomial Distributions
100
Determine if the graph represents a variable with a normal distribution..
NO!
100
x=number of languages in which a person is fluent. According to statistics in Canada, for residents of Canada this has probability distribution p(0)=.02 p(1)=.81 p(2)=.17. Find mean.
What is 1.15
100
Use the standard normal table to find the z-score that corresponds to the given cumulative are or precentile 0.94
What is 1.555
100
What is a probability distribution of a statistic obtained through a large number of samples drawn from a specific population?
What is Sampling Distribution
100
What is an expression using two terms?
What is binomial
200
Find the area of the indicated region under the standard normal curve.
What is 0.3849
200
World Health Organization study of health in various countries reported that in Canada, systolic blood pressure readings have a mean of 121 & std. dev. of 16. High blood pressure is a reading above 140. What is the z-score?
What is 1.19
200
Find the indicated z-score(s) shown in graph.
What is -1.655, 1.645
200
What is a statistical measure that quantifies the distance (measured in standard deviations) a data point is from the mean of a data set?
What is z-score
200
Average grade in a maths test is 80 with standard deviation of 5.If the instructor gives A's to the highest 10% and the grades follow a normal distribution,what is the lowest grade that will be given A?
What is 86
300
Find the indicated area under the standard normal curve to the right of z= 1.28
What is 0.1003
300
In 1999, the murder rates (per 100,000 residents) for the 50 states and D.C. had a mean of 5.9 and std. dev. of 6.3. D.C. had a murder rate pf 46.4. Find the z-score.
What is 6.43
300
Find the z-score that has 11.9% of the distributions are to it's right.
What is 1.18
300
What is the standard deviation of the sampling distribution of a statistic.
What is standard error of mean
300
Find the z-score for 99%
What is 2.575
400
Find the indicated area under the standard normal curve between z=-1.96 and z=1.96
What is 0.95
400
In 1999, the murder rates (per 100,000 residents) for the 50 states and D.C. had a mean of 5.9 and std. dev. of 6.3. D.C. had a murder rate of 46.4. Based on mean & std. dev., do you think the distribution of murder rates is normal?
What is no
400
What annual per capita utilization of apples represents the 10th percentile? (see graph.)
What is 11.98 pounds
400
Z=
What is value-mean/standard error
400
Find the z-score for 95%
What is 1.96
500
Find the indicated probability using the standard normal distribution P(-0.89 <z<0)
What is 0.3133
500
In 1999, the murder rates (per 100,000 residents) for the 50 states and D.C. had a mean of 5.9 and std. dev. of 6.3. D.C. had a murder rate pf 46.4. If distribution were roughly normal, would this be unusually high?
What is yes, it is 3 std. dev. above the mean
500
What annual per capita utilization of apples reps the 3rd quartile? (see graph)
What is 19.78 pounds
500
What is a probability distribution that plots all of its values in a symmetrical fashion and most of the results are situated around the probability's mean?
What is distribution
500
Find the z-score for 90%
What is 1.645
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