Suppose we have a binomial experiment in which success is defined to be a particular quality or attribute that interests us. (a) Suppose n = 27 and p = 0.23. Can we approximate p by a normal distribution? Why? (Use 2 decimal places.) np = 6.21 nq = 20.79 Yes be approximated by a normal random variable because both np and ng exceed can What are the values of µ, and o,? (Use 3 decimal places.) Hp

Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 671randomly selected adults showed that 58​% of them would erase all of their personal information online if they could. Find the value of the test statistic. The value of the test statistic is

A researcher gathered a sample of participants who volunteered for a studying of phobias. She measured anxiety level of participants as they viewed photos of spiders and again when they viewed puppies. Which statistical test is appropriate for this study and why?

How can compute the mean of the success conditions by multiplying each success mean by 0.5?

Student Absences and Grades on the Final Exam Dr. V. noticed that the more frequently a student is late or absent from class the worse he or she performs on the final exam. He decided to investigate. Dr. V. collected a random sample of 22 students. This sample includes the number of times a student is absent and their grades on the final exam. The data can be found in the Excel file Assignment10.xlsx. Do not use any software that I did not assign.   Question 1: Which or the two variables (times absent or grades on the final exam) is the independent variable and which is the dependent variable?   Question 2: Using Microsoft Excel:  SHOW YOUR WORK   Times Late/Absent  Final Exam Grade 1 9 84.00 2 2 92.50 3 12 52.00 4 5 87.00 5 11 75.00 6 24 45.00 7 7 39.00 8 10 46.00 9 19 63.00 10 2 65.00 11 2 98.00 12 17 24.50 13 8 58.00 14 20 69.50 15 55 49.00 16 23 68.50 17 6 70.00 18 4 75.50 19 2 85.00 20 7 97.00 21 2 97.00 22 2 93.50 23 0 93.50 24 2…

Describe a study in which you can use both nonparametric and parametric statistics. A researcher has participants expecting to receive either painful or mild electrical shocks during a study wait in a quarter-full waiting room with other participants. He then measures whether they choose to sit next to other participants or if they sit far away on their own. What is the best test to run for this study and why?

ces An article reports that in a sample of 124 nurses, 53 said that a busy workload had a positive effect on their enjoyment of their job. Can you conclude that less than 45% of nurses feel that a busy workload has a positive effect on their enjoyment of their job? Find the P- value and state a conclusion. The P-value is We (Click to select) conclude that less than 45% of nurses feel that a busy workload has a positive effect on their enjoyment of their job.

Scenario: A researcher wants to know whether a hard copy of a textbook provides additional benefits over an e-book. She conducts a study where participants are randomly assigned to read a passage either on a piece of paper or on a computer screen. After a distractor task lasting 30 minutes, the participants are tested for their comprehension of the passage with a multiple-choice test containing 10 questions about their passage. Comprehension was scored using percent correct (0 — 100%). The researcher predicts that those randomly assigned to read the passage on a piece of paper will remember significantly more than those who read the passage online. Question: What is the research / alternate hypothesis for this scenario?    People who read a passage on a piece of paper will remember more than those who read a passage online.      People who read a passage on a piece of paper will not remember more than those who read a passage online.      Amount remembered of a passage will vary based…