Question

In: Statistics and Probability

The school has 600 students in years 1–6 with 100 students in each year. Shannon got...

The school has 600 students in years 1–6 with 100 students in each year.

  1. Shannon got the names of all 600 students in the school and put them in a hat. Then she pulled out 60 names. What do you think of Shannon’s survey? Explain your answer.
  2. Jake asked 10 children at an after-school meeting of the computer games club. What do you think of Jake’s survey? Explain your answer.
  3. Adam asked all of the 100 children in year 1. What do you think of Adam’s survey? Explain your answer.

Solutions

Expert Solution

orchestra answered 1 year ago
Next > < Previous

Related Solutions

In a secondary school, there are 400 male students and 600 female students. 50% of the...
In a secondary school, there are 400 male students and 600 female students. 50% of the male students and 55% of the female students are in senior secondary curriculum, the others are in junior secondary curriculum. The school had appointed 8% of senior male students and 10% of senior female students to be the student leaders. No junior secondary student can be student leader. (a) If a student is selected at random in the school, find the probability that (i)...
In a random sample of 600 U.S. high school students, 11% (or 66 out of 600)...
In a random sample of 600 U.S. high school students, 11% (or 66 out of 600) said they do not plan on having children. What sample size would allow us to create a 99% confidence interval for the true proportion of U.S. high school students who do not plan on having children with a margin of error of only 0.02? Group of answer choices 1083 459 220 1625 882
A small school has 100 students. You have been commissioned school photographer. 1. You have been...
A small school has 100 students. You have been commissioned school photographer. 1. You have been offered to photograph a model action shot for a salary of $100 on the same day as the school photos are scheduled. You can’t do both. What is the limited resource, and as what kind of cost do you consider the missed salary of this photoshoot? 2. Without calculating, do you think parents’ price elasticity of demand for photos of their children is generally...
6. Texting and Drinking In a study of high school students at least 16 years of...
6. Texting and Drinking In a study of high school students at least 16 years of age, researchers obtained survey results summarized in the accompanying table (based on data from “Texting While Driving and Other Risky Motor Vehicle Behaviors Among U. S. High School Students,” by O’Malley, Shults, and Eaton, Pediatrics, Vol. 131, No. 6). Use a 0.05 significance level to test the claim of independence between texting while driving and driving when drinking alcohol. Are those two risky behaviors...
Paul makes $600 deposits UP FRONT each year for 5 years. If he can earn 6%,...
Paul makes $600 deposits UP FRONT each year for 5 years. If he can earn 6%, how much are the deposits worth today? Steve is evaluating his investment in Ajax. He expects to receive $14 next period and estimates that the payments will grow at a constant rate of 3% forever. If he requires a 15% return, what is the value of his investment? Round answer to the nearest dollar.
15) If an investor offers $600 at the end of each year for three years and...
15) If an investor offers $600 at the end of each year for three years and if the interest rate is 8%, the maximum you pay him (PV) of this ordinary annuity is 16) Referring to the 15 question, assume that instead of getting the payment of $600 at the end of the year, the investor offers to give you the money at the beginning of the year, the maximum amount of money you offer him today (present value for...
0 1 2 3 4 5 6 7 Project A -$300 -$387 -$193 -$100 $600 $600...
0 1 2 3 4 5 6 7 Project A -$300 -$387 -$193 -$100 $600 $600 $850 -$180 Project B -$400 $134 $134 $134 $134 $134 $134 $0 Project Delta #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A Crossover Rate = IRRΔ #N/A Project MIRR Calculations at WACC = 18% WACC 18.00% MIRRA #N/A MIRRB #N/A
Question I In the senior year of a high school graduating class of 100 students, 42...
Question I In the senior year of a high school graduating class of 100 students, 42 studied mathematics, 68 studied psychology, 54 studied history, 22 studied both mathematics and history, 25 studied both mathematics and psychology, 7 studied history but neither mathematics nor psychology, 10 studied all three subjects, and 8 did not take any of the three. Randomly select a student from the class and find the probabilities of the following events. (a) A person enrolled in psychology takes...
Walmart has an interest in monitoring the average back-to-school spending for grade-school students year to year....
Walmart has an interest in monitoring the average back-to-school spending for grade-school students year to year. Every year the back-to-school spending data is published by the National Retail Federation. The following table shows the average back-to-school spending of households randomly sampled in 2016 and 2017 along with the population standard deviations and sample sizes for each sample. 2016 2017 Sample mean $606.40 $655.27 Sample size 35 38 Population standard deviation $160 $173 a. State the correct null and alternative hypotheses....
Walmart has an interest in monitoring the average back-to-school spending for grade-school students year to year....
Walmart has an interest in monitoring the average back-to-school spending for grade-school students year to year. Every year the back-to-school spending data is published by the National Retail Federation. The following table shows the average back-to-school spending of households randomly sampled in 2016 and 2017 along with the population standard deviations and sample sizes for each sample. 2016 2017 Sample mean $606.40 $655.27 Sample size 35 38 Population standard deviation $160 $173 a. State the correct null and alternative hypotheses....
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT