Math Homework

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this question is for Scott: what is the proportion of a normal
this question is for Scott: what is the proportion of a normal distribution correspondonds to Z scores greater than 1.04 .3508 .1492 .6492 .8508 i choose .1492 what is the percentage of observation th… read more
Scott
Master's Degree
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Annual commissions earned by sales representatives of a certain
Annual commissions earned by sales representatives of a certain company follow the normal distribution. The mean yearly commission is \$40,000 with a standard deviation of \$5,000. What percent of the s… read more
SusanAthena
Master's Degree
Master's Degree
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1. Question Provide an appropriate response. If selecting
1. Question: Provide an appropriate response. If selecting samples of size n > 30 from a population with a known mean and standard deviation, what requirement, if any, must be satisfied in order to… read more
Chirag
Master's Degree
10,329 satisfied customers
normal probability distribution is completely determined by
normal probability distribution is completely determined by its data mean and data standard deviation. Also, the sum of all the probabilities in data distribution is always equal to 1, so the total ar… read more
SusanAthena
Master's Degree
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2.For a distribution with a mean of 50 and a standard deviation
2 .For a distribution with a mean of 50 and a standard deviation of 10: Calculate the z score for a score of 40 Determine the area under the normal curve between the mean and this value. Determine the… read more
ck_mba
Computer Engineer
Master's Degree
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Students obtain a mean score of 490 on the SAT with a standard
Students obtain a mean score of 490 on the SAT with a standard deviation of 20. Assuming a bell shape curve, where would 68% of the students score? Please explain the steps needed to arrive at the ans… read more
Chirag
Master's Degree
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Consider two normal distributions, one with mean -4 and standard
Consider two normal distributions, one with mean -4 and standard deviation 3 and the other with mean -4 and standard deviation 6. Answer true or false to each statement and explain your answers. a. Th… read more
Osbert12
Master's Degree
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7-1 C1 For the normal distribution, the mean plus and minus
7-1 C1 For the normal distribution, the mean plus and minus 1.96 standard deviations will include about what percent of the observations? A. 50% B. 99.7% C. 95% D. 68% 7-2 C2 What is the area under th… read more
Osbert12
Master's Degree
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The distribution of IQ scores is a nonstandard normal distribution
The distribution of IQ scores is a nonstandard normal distribution with a mean of 100 and a standard deviation of 15, and a bell-shaped graph is drawn to represent this distribution. What is the area … read more
Stevewh
Teacher
Bachelor's Degree
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Standardized scores offers a way of comparing norm-referenced
Standardized scores offers a way of comparing norm-referenced scores. The z-score distribution is based on knowing how many standard deviations away from the mean a certain score is. Compare and contr… read more
rajeevanpillai
Master's Degree
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1.The area under a normal curve with mu 8 and sigma 3 is
1.The area under a normal curve with mu = 8 and sigma = 3 is 2.Let's assume you have taken 100 samples of size 36 each from a normally distributed population. Calculate the standard deviation of the s… read more
abozer
Bachelor's Degree
6,158 satisfied customers
Greg, 1. How does the bell-shaped curve for the sampling
Greg, 1. How does the bell-shaped curve for the sampling distribution of sample means for samples of size n = 100 compare to the bell-shaped curve for the sampling distribution of sample means for sam… read more
Greg
Master's Degree
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How would you respond to this statement The average intelligence
How would you respond to this statement: "The average intelligence quotient (IQ) is 100 points while the standard deviation is 17 points?" What is the point of making such a statement? If the variance… read more
David C Gomez
Master's Degree
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On page 265, in Figure 7.18., the Areas under the Normal Curve,
On page 265, in Figure 7.18., the Areas under the Normal Curve, shows the Empirical rule annunciated earlier (page 137). The diagram on the top of the page 264 shows the progression from a normal dist… read more
Matt
Master's Degree
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1)How does the bell shaped curve for the sampling of a sample
1)How does the bell shaped curve for the sampling of a sample means for sampe means for samples of size n = 100 compare to bell shaped curve for the sampling distribution of the sample means for sampl… read more
abozer
Bachelor's Degree
6,158 satisfied customers
1. Work through the example of the weekly incomes of shift
1. Work through the example of the weekly incomes of shift foreman and understand how the Empirical Rule applies to this situation. 2. Explain the value of the Empirical Rule to you as a business mana… read more
Sk1llz
Math student
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This is a Statistics course..The total area under the normal
This is a Statistics course..The total area under the normal curve is 1.0. Why is this important to understanding and applying continuous probability concepts? Identify some processes in a business, w… read more
Greg
Master's Degree
1,292 satisfied customers
4.How does the bell-shaped curve for the sampling distribution
4.How does the bell-shaped curve for the sampling distribution of sample means for samples of size n = 100 compare to the bell-shaped curve for the sampling distribution of sample means for samples of… read more
Greg
Master's Degree
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