In an August 2012 Gallup survey of 1,012 randomly selected U.S. adults (age 18 and over), 53% said that they were dissatisfied with the quality of education students receive in kindergarten through...
Determine the area under the standard normal curve that lies between: a. -0.88 and 2.24 b. -5.1 and 1
A variable is normally distributed with mean 68 and standard deviation 10. Find the percentage of all possible values of the variable that: a. Lie between 73 and 80 b. Are at most 90
A distribution is positively skewed. Which is the most probable order, from largest to smallest, for the three measures of central tendency?
MY WRONG ANSWER: mean, median, mode . CHOICES: mean, median, mode mode, median, mean ...
I have some data on religious affiliation and likelihood to cheat and I am in a debate with a friend about what can be concluded from this information.
Given the following information, what can we conclude. Religious affiliation in the United States(Rounded) Evangelical Protestant 26% Catholic ...
How do I calculate the standard deviation when given the mean and percent of area that lies to left of a given value? Specifically mean=10.8 and 15% of area lies to the left of 9.3. What...
Find the number of weaving errors in a 20 by 10foot rug. What is the probability of finding at least 3 errors in the rug??? this is all the information given. The chapter is on...
i need to find the 10%condition of this: 33% of 75 name brand chickens are contaminated and 45% of 75 generic chickens are contaminated, what is the 10% condition?
What is the probability that a random sample of 17 persons will exceed the weight limit of 3,434 pounds?
The weight of people in a small town in Missouri is known to be normally distributed with a mean of 186 pounds and a standard deviation of 29 pounds. On a raft that takes people across the river,...
1. Compute for the mean, median, and mode of the lengths of mosquitoes' lives in seconds after being sprayed with Insecticide A. 13 14 23 22...
I'm getting confused about this things: 1. My teacher said that Nominal,Ordinal,Interval and Ratio has their own appropriate measures of location. for example: For Nominal the appropriate measures...
A testing bureau reports that the mean for the population of Graduate Record Exam (GRE) scores is 500 with a standard deviation of 90.
the scores are normally distributed, what proportion of scores fall between 300 and 400?
Assume s is known. What are the critical values for testing H?: µ=200 against H¹: µ ? 200 with a = 0.04 ?
Assume σ is known. What are the critical values for testing Hο: µ=200 against H¹: µ ≠ 200 with α = 0.04 ? a. ±1.41 b.±2.05 c.±1.67 d.±1.75
The mean being 176 days and the standard deviation being 12
These are two different questions.
A recipe uses 4 cups of flour to 1 1/8 cups of milk. If you have 2 cups, how much milk should you use?
I need to answer with an integer or simplified fraction
A company purchased 10,000 pairs of men slacks for $19.36 per pair and marked them up $22. 83. What was the selling price of each pair of slacks? Use the formul
There are no additional details
Why is it important to learn statistics in the study of Psychology?
The five number summary for the length of duration (in minutes) of a volcano eruption is 1.7, 2.3, 4.0, 4.4, 5.2.
What percent of the eruptions last longer than 2.3 minutes?
The mean test score was 850 with a standard deviation of 100. What porportion of students had a higher score than Vivian? (Assume that test scores are normally distributed.)