13 Answered Questions for the topic Math, Problem Solving, Data Analysis, Percentages

Math, Problem Solving, Data Analysis, Percentages

04/15/18

ANOVA question
A researcher conducted an ANOVA and arrived at a result of F obt = -2.34, she knows immediately that she made a mistake in her calculations. How does she know this? 
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Math, Problem Solving, Data Analysis, Percentages

03/19/18

Data Analysis
The percent of TOTAL cases that have a Z score less than or equal to 1.46 is ___. 
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Math, Problem Solving, Data Analysis, Percentages

03/18/18

Which of the following is true of the normal distribution?
a.  The normal distribution is symmetrical  b.  The normal distribution is unimodal c.  The tails extend indefinitely in either direction   d. All of the answers are true 
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Math, Problem Solving, Data Analysis, Percentages

03/18/18

The probability of rolling a 4 on one toss of a standard six-sided dice and a 6 on a second toss is?
A.    .334 B.    .409 C.    .028 D.    .169
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Math, Problem Solving, Data Analysis, Percentages

03/18/18

What is the technique used by scientists to standardize the normal curve?
a. Converting the probabilities into basic percentages so the curve can be streamlined facilitating further analyses    b.  Applying the standarises probability means to each curve    c.... more
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Math, Problem Solving, Data Analysis, Percentages

03/15/18

when 70% is added to the number, the result is 170.
 what is the number that 70% is added to?
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Math, Problem Solving, Data Analysis, Percentages

03/05/18

a bookstore is having a three-day sale that offers customers a 20 percent discount on all items. Alex finds several books by his favorite autor on sale for $14
A bookstore is having a three-day sale that offers customers a 20 percent discount on all items.  Alex finds several books by his favorite author on sale for $14.75 each.  What is the final price... more
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Math, Problem Solving, Data Analysis, Percentages Word Problems Test Anxiety Test Grades

02/28/18

HELP I need to calculate the minimum scores needed on my 3 exams and final exam to pass with a 70%!
I'm taking a class with homework worth 10% of my grade, quizzes worth 25%, exams worth 40%, and a final exam worth 25%. If I finish 100% of my homework, get 50% of the quizzes right, and scored a... more
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Math, Problem Solving, Data Analysis, Percentages

02/12/18

Morgan is 15 years younger than Mrs. Santos. Their combined age is 44
write and solve a system of equations that represents each situation. Interpret the solution
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Math, Problem Solving, Data Analysis, Percentages

12/18/17

Data Analysis
There are 147 buses that are being cleaned on an average every 114 days with one cleaner. I need to have the buses cleaned every 75 days. Each cleaner can do 2 buses a day seven days a week, so how... more
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Math, Problem Solving, Data Analysis, Percentages

11/12/17

Out of 64 theaters 48 had late projects. What is the percentage of late projects.
A company owns 64 movie theaters. Out of the 64, 48 of them had late projects. What is the percentage of late projects.
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Math, Problem Solving, Data Analysis, Percentages

09/18/17

In a​ company, 70% of the employees are female. If 1590 males work for the​ company, what is the total number of​ employees?
I am stuck. I have no idea how to solve this. Please help! :'(
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Math, Problem Solving, Data Analysis, Percentages

09/08/17

Can you explain how this answer was arrived at?
I was going over past SAT questions and came across this one:   "A furniture store buys its furniture from a wholesaler. For a particular table, the store usually charges its cost from the... more
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