A sample of 33 households from a surveygenerates the following frequency table ofhousehold income (in thousands). Find themean and standard deviation.Interval Frequency0-291130-59460-891090-119120-1490.150-179180-2093.....X=thousand dollars. (Round to one decimal place as needed.)

From the provided information, The frequency distribution table is as follow: Interval…

Answered: A sample of 33 households from a survey…

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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That is a lot of passwords! How many passwords would the website have if users were allowed to reuse the letters and numbers? (Enter the number of successful outcomes in each of the blanks below. Let the first six spaces represent letters and the last two spaces represent numbers) Answer • Answer • Answer • Answer • Answer • Answer • Answer • Answer = 30,891,577,600 That is almost Answer billion passwords!
The following data represent the high-temperature distribution for a summer month in a city for some of the last 130 years. Treat the data as a population. Complete parts (a) through (c). Temperature Days 50-59 3 60-69 317 70-79 1412 (a) Approximate the mean and standard deviation for temperature. p= (Round to one decimal place as needed.) 80-89 1497 90-99 261 100-109 13
7
I’ve already posted this one, but I’m posting it again, because I need to be shown what to input into my TI-84 Plus calculator to solve.
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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. The indicated IQ score is ... X 0.3694 17 (Round to the nearest whole number as needed.)
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2 questions In pictures
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. ... The indicated IQ score is. (Round to the nearest whole number as needed.) X 5 0.3204
Use the following raw scores to answer the questions below. 29 21 19 29 20 28 28 29 32 29 15 19 = _____%tile Find the Mean and Standard Deviation of the scores in Excel. mean = Standard Deviation = Convert the first three raw scores in the list on the previous page (29, 21, & 19) to z-scores. 29 = ___________ 21 = ____________ 19 = _____________ You administer a psychological test that has a normal distribution in the population. You know the Mean = 100 and the Standard Deviation = 15. Order the following (a-e) from smallest to largest. Raw Score of 86 Z-Score of 1.5 Percentile Rank of 98% Score that is 0.5 Standard Deviations below the Mean T-score of 80 _________ _________ _________ _________ _________ Eleanor scores 690 on the SAT math test. The normal distribution of SAT math scores has a mean of 500 and standard deviation of 100. Gerald takes the American…
Find the indicated IQ score. The graph to the right depicts IQ scores standard deviation of 15. of adults, and those scores are normally distributed with a mean of 100 and a Click to view page 1 of the table. Click to view page 2 of the table. 0.7 The indicated IQ score, (Round to one decimal place as needed.) is X, nter ucces ? ia Lib Enter your answer in the answer box and then click Check Answer Check Answer Clear All 4:17 PM All parts showing 12/2/201 Optio N pe here to search insert 61 44 f8 |+ 7 16 4 7
Professor Pete’s calculus class has the following scores: 19 21 31 32 37 45 52 55 62 63 63 65 65 77 78 Use Excel’s STDEV.S function to find the standard deviation. (round to the hundredths place)

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