Nickie
This page lists questions and answers that were posted by visitors named Nickie.
Questions
The following questions were asked by visitors named Nickie.
How do you use possible symmetry to determine whether the graph is the graph of an even function, an odd function, of a function that is neither even or odd?
18 years ago
If the ratio of girls to boys on the swim team is 2:3, which of these shows the possible number of girls to boys: A. 20 girls, 35 boys B. 24 girls, 36 boys
15 years ago
Find the area of the shaded region given two points and the function y=cosx. Here's a figure (page 4 figure 7) math.upenn.edu/~deturck/m103/rogawski/chap6odd.pdf
14 years ago
A population has a mean of 30 and a standard deviation of 5. a. If 5 points were added to every score in the population, what would be the new values for the mean and standard deviation? b. If every score in the population were multiplied by 3 wha...
12 years ago
1. A distribution has a standard deviation of 12. Find the z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 18 points....
12 years ago
In a population of exam scores, a score of X 48 corresponds to z1.00 and a score of X 36 corresponds to z –0.50. Find the mean and standard deviation for the population. (Hint: Sketch the distribution and locate the two scores on your sketch.) A s...
12 years ago
Over the past 10 years, the local school district has measured physical fitness for all high school freshmen. During that time, the average score on a treadmill endurance task has been μ 19.8 minutes with a standard deviation of 7.2 minutes. Assumin...
12 years ago
A multiple-choice test has 48 questions, each with four response choices. If a student is simply guessing at the answers, a. What is the probability of guessing correctly for any question? b. On average, how many questions would a student get correct for...
12 years ago
A roulette wheel has alternating red and black numbered slots into one of which the ball finally stops to determine the winner. If a gambler always bets on black to win, what is the probability of winning at least 24 times in a series of 36 spins? (Note t...
12 years ago
A trick coin has been weighted so that heads occurs with a probability of p 2 3, and p(tails) 1 3. If you toss this coin 72 times, a. How many heads would you expect to get on average? b. What is the probability of getting more than 50 heads? c. W...
12 years ago
A national health organization predicts that 20% of American adults will get the flu this season. If a sample of 100 adults is selected from the population, a. What is the probability that at least 25 of the people will be diagnosed with the flu? (Be care...
12 years ago
A sample consists of the following n 6 scores: 2, 7, 4, 6, 4, and 7. a. Compute the mean and standard deviation for the sample. b. Find the z-score for each score in the sample. c. Transform the original sample into a new sample with a mean of M 50 an...
12 years ago
Do you view a chocolate bar as delicious or as fattening? Your attitude may depend on your gender. In a study of American college students, Rozin, Bauer, and Catanese (2003) examined the importance of food as a source of pleasure versus concerns about foo...
12 years ago
Functional foods are those containing nutritional supplements in addition to natural nutrients. Examples include orange juice with calcium and eggs with omega-3. Kolodinsky, et al. (2008) examined attitudes toward functional foods for college students. Fo...
12 years ago
Numerous studies have found that males report higher self-esteem than females, especially for adolescents (Kling, Hyde, Showers, & Buswell, 1999). Typical results show a mean self-esteem score of M 39.0 with SS 60.2 for a sample of n 10 male adolesc...
12 years ago
Aldol condensation of formic acid will create?
8 years ago
Solve the logarithmic equation. Round to the nearest ten-thousandth if necessary. log 8x^3=4 Can someone walk me through this?
7 years ago
Solve In(5x+7) = 8. Round to the nearest thousandth. Can someone walk me through this?
7 years ago
Use natural logarithms to solve the equation.Round to the nearest thousandth. 5e^2x+11=30 Can someone explain it to me? So far, I got. e^2x+11=6 2x+11=In 6
7 years ago
Write the equation in logarithmic form. n^4/3=m Can someone explain how to do this?
7 years ago
leiana_chung Write (8a^-3)^-2/3 in simplest form. So far I have this. = (8^-2/3)(a^3(-2/3)) =(8^-2/3)(a^2) =((2^3)^-2/3)(a^2) =(2^-2)(a^2) And this is where I am stuck, can someone explain how to do the rest of the steps?
7 years ago
Subtract (2)/(4+sqrt6) - (2)/(4-sqrt6). Can someone explain how to do this to me?
7 years ago
What is the solution of the equation? 1+sqrt(3x+3) = sqrt(7x+2)
7 years ago
Answers
The following answers were posted by visitors named Nickie.
A distribution has a standard deviation of 12. Find the z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 18 points. For...
12 years ago
Thank you, but can you tell me what happened to the 8? Did you divide it by 10000?
7 years ago
Thank you, but it's an equation dealing with natural logarithms.
7 years ago
I think the next step is this =(1/2^2)(a^2) =(1/4)(a^2) But I do need help with this now.
7 years ago
Ok, so I tried to work it out myself. I think I have to rationalize the denominator for each fraction and then subtract those two answers.
7 years ago
Reino, you ain’t correct sorry
4 years ago
Meant Reiny, autocorrect
4 years ago
Got the answer, I’m way too late, but for the $2.50, it’s 192 pounds, and for the $2.80, it’s 288 pounds.
4 years ago
The right answers are 1-A 2-D 3-C 4-D 5-B 6-A 7-A 8-C 9-C 10-A 11-B & D 12-A 13-C 14-A 15-D 16-B 17-B 18-C 19-C 20-C i know cuz i failed cuz of daniel
3 years ago