Math Homework

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The reading speed of second grade students in a large city is approximately​ normal, with a mean of 91 words per minute​ (wpm) and a standard deviation of 10 wpm. Complete parts​ (a) through​ (e).What… read more
Neo
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The reading speed of second grade students is approximately​ normal, with a mean of 91 words per minute​ (wpm) and a standard deviation of 10 wpm. Complete parts ​(a) through ​(f).​(a) What is the pro… read more
Jabi
Tutor
Master's Degree
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1. A college professor claims that the entering class this
1. A college professor claims that the entering class this year appears to be smarter than entering classes from previous years. He tests a random sample of 16 of this year's entering students and fin… read more
rajeevanpillai
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A spinner has three numbers on it(1,2,3). Each number has an
A spinner has three numbers on it(1,2,3). Each number has an equal probability of being hit on each spin. A person bets \$1 to play the game. He picks a number, then he spins. If his number comes up, h… read more
Stevewh
Teacher
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To Dennis, Biostatistics question; A study is planned on the
To Dennis, Biostatistics question; A study is planned on the effect of a new health-education program promoting smoking cessation among heavy-smoking teenagers (> cigarettes-equal to one pack-per d… read more
dhouse1940
Retired
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It was claimed recently that more than of high school students
It was claimed recently that more than of high school students in the United States use computers for educational purposes. We wish to examine this claim. We choose a random sample of U.S. high school… read more
Stevewh
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I can send the data in excel format. How much to work these
I can send the data in excel format. How much to work these three questions? 4. ABC is interested in recruiting students who are involved in extracurricular activities. Does it appear to be doing so? … read more
dhouse1940
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Name the appropriate measure of disease frequency that should
• Name the appropriate measure of disease frequency that should be used in each scenario and justify its use (why that particular measure is the appropriate one). 1. The percentage of elderly men who … read more
mlamias
Statistical Consultant
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The prevalence of a health condition is the existing number
The prevalence of a health condition is the existing number of cases of that condition in the population. State whether the factors listed below are likely to increase or decrease the prevalence of a … read more
mlamias
Statistical Consultant
Bachelor's Degree
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Administrators at a prestigious university have decided that
Administrators at a prestigious university have decided that they need to increase the number of students that are enrolled. As part of their long term plan to keep enrollment up, they want to reduce … read more
Greg
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A decade-old study found that the proportion, , of high school
A decade-old study found that the proportion, , of high school seniors who believed that "getting rich" was an important personal goal was . A researcher decides to test whether or not that percentage… read more
Stevewh
Teacher
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T F 1) If one wishes to test the claim that the mean of
1) A novelty gift shop owner believes that 50% of the people who enter her store buy nothing, 32% buy one item, and 18% buy two or more items. Data for a one-week period were recorded and displayed he… read more
Chirag
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For Scott A study has been conducted to examine the effectiveness
For "Scott" A study has been conducted to examine the effectiveness of a new experimental program for preparing high school students for the Scholastic Aptitude Test. Eighty students have been randoml… read more
Scott
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1. A study compares two groups of mothers with young children
1. A study compares two groups of mothers with young children who were on welfare two years ago. One group attended a voluntary training program that was offered free of charge at a local vocational s… read more
SusanAthena
Master's Degree
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The federal government granted funds for a special program
The federal government granted funds for a special program designed to reduce crime in high crime areas A study of the result of the program in eight high crime areas of miami florida yielded the foll… read more
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A study has been conducted to examine the effectivenessof
A study has been conducted to examine the effectiveness of a new experimental program for preparing high school students for the Scholastic Aptitude Test. Eighty students have been randomly divided in… read more
Chirag
Master's Degree
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4.) Women athletes at the University of Colorado Boulder, have
4.) Women athletes at the University of Colorado Boulder, have a long-term graduation rate of 67%. Over the past several years, a random sample of 38 women athletes at the school showed that 21 eventu… read more
Sk1llz
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The store as experienced a 6.3% rate of customer complaints
1. The store as experienced a 6.3% rate of customer complaints and attempts to lower this rate with an employee training program. 950 customers are tracked and it is found that only 35 of them filed c… read more
Scott
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