Salespeople for a solar technology company have average annual sales of $300,000, with a standard deviation of $20,000. What percentage of the salespeople would beexpected to make annual sales of $330,000 or more? Assume a normal distribution.Click the icon to view the area under the standard normal curve table.|% of the salespeople can be expected to make annual sales of $330,000 or more.

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Answered: Salespeople for a solar technology…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The graph shows the distribution of the amount of chicken (in ounces) that adults eat in one sitting. Which statement describes the distribution? O The distribution is approximately Normal, with a Chicken Consumption mean of 8 ounces and a standard deviation of -1.2 ounces. O The distribution is approximately Normal, with a mean of 8 ounces and a standard deviation of 1.2 ounces. O The distribution is approximately Normal, with a mean of 1.2 ounces and a standard deviation of 8 ounces. O The distribution is uniform, with a mean of 8 ounces and a standard deviation of 1.2 ounces. 3.2 4.4 5.6 6.8 9.2 10.4 11.6 12.8 Amount (Ounces)
Think of your own example of a data set that would follow a normal distribution and explain why.
The sample mean amount of savings is $
Solve d please
The lifespans of lizards in particular zoo are normally distributed. The average lizard lives 3.1 yearsthe standard deviation is 0.6 years. Find the probability that the lizards live longer than 3.1 years or less than 2.5 yearsHint: Draw and label a normal curve and use the percentages of the standard deviations. Write your answer using only numbers and do not include units. For example 95.3% would be entered as 95.3
Psychology students in the Izmir University of Economics completed the Dental Anxiety Scale questionnaire in 2020. In this study, scores on the scale range from 0 (no anxiety) to 20 (extreme anxiety). The mean score was 14 and the standard deviation was 3.5. Assume that the distribution of all scores on the Dental Aroxiety Scale is normal with u= 14 and g=35. Complete parts a through c A Click here to view a table of areas under the standardized normal curve O Table of Normal Curve Areas a. Suppose you score a 18 on the Dental Anxiety Scale. Find the z-value for this score. z= (Round to the nearest hundredth as needed ) b. Find the probability that someone scores between 13 and 18 on the Dental Anxiety Scale P(13sxs 18) =D (Round to four decimal places as needed) c. Find the probability that someone scores above 17 on the Dental Anxiety Scale P(x> 17)=(Round to four decimal places as needed.) Enter your answer in each of the answer boxes. |8 目國 100 |8 案 |8 業可 0 | 会效到商同我目 |
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Click the icon to view the histogram. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 92.5 26 25- 114.5 136.5 20- 158.5 15- 12 Ef = Exf = 10- Find the mean of the data set. 5- X = (Round to the nearest tenth as needed.) 48.5 70.5 92.5 114.5 136.5 158.5 Complete the table. Round values to the nearest tenth as needed. Midpoint x (x-x)? (x-x)?f X-X 70.5 Print Done 92.5 114.5 136.5 158.5 (x-x)?r= ] of
Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. LOADING... Click to view page 2 of the table. LOADING... x 0.9 A graph with a bell-shaped curve, divided into 2 regions by a line from top to bottom, on the left side. The region right of the line is shaded and labeled 0.9. The x-axis below the line is labeled "x". Question content area bottom Part 1 The indicated IQ score, x, is enter your response here. (Round to one decimal place as needed.)
Consider yourself as a Math tutor to Grade 11 students. Study carefully the examples of real-life problems involving normal distribution provided in the book. Formulate one real-life problem involving normal distribution. Present the given information, identify the unknown, and solve the problem presented. State the real-life problem and give the step by step solution in solving the said problem.
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. W Click the icon to view the histogram. .. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 25- 24 20- |14 15- 10- 17 5- X 48.5 70.5 92.5 114.5 136.5 158.5
What is the other name of Arithmetic Average? O a. Spread variability Ob. Mean O c. Median O d. Weighted mean

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