3. A researcher suspects that the actual prevalence of generalızed anxlet adolescents is higher than the previously reported prevalence of generalized anxiety disorder among children and adolescents. The previously reported prevalence of generalized anxiety disorder among children and adolescents is 3.9%, and the researcher conducts a study to test the accuracy of the previously reported prevalence of generalized anxiety disorder by recruiting 98 children and adolescents from various pediatricians' offices and tests them for generalized anxiety disorder using the DSM-5. The researcher determines that the prevalence of generalized anxiety disorder among the participants of the study is 6.1%. For a level of significance of 5%, what should the researcher's decision rule look like? A) Reject Ho if z is less than or equal to -1.645. B) Reject Ho if z is greater than or equal to 1.645. C) Reject Ho if z is less than or equat to -1.96. D) Reject Ho if z is greater than or equal to 1.96. HO

Q: (asidel (utiunous randorm vaviahdes y wikh seint densi ty fuvetran (xty /10) otherwise

A: 1) From the given information, the joint density function for X and Y is, f(x,y)=cx+y10,…

Q: 3. 5. A clinical trial is being conducted in order to determine the efficacy of a new drug that will…

A: The level of significance is 0.05.

Q: 6. Which of the following is less than 5.67 x 105? A. 7.23 x 104 B. 4.27 x 104 C. 8.82 x 10'5 D.…

A: we know that a.bc × 10-5 = 0.0000abc and a.bc × 10-4 = 0.000abc

Q: 17 BQ 15

A:

Q: 3. What is Se3x dx?

A:

Q: The alternative hypothesis is written as OHA : µ > 87 OHA : µ = 84 OHA : µ + 87 OHA : µ > 84

A: We have given that  Sample size, n = 25 Sample mean, x̄ = 87 Population mean, μ = 84

Q: 7. Which of the following is not true? a. 8 =23 b. 1=20 c. 5-2 = 1/25 d. 31=1

A:

Q: What is compound proability?

A: Compound probability is defined as the probability of two or more independent events happening…

Q: Solve 4 us G tho) tsiny

A:

Q: arch snowed 7,622 of them were armed robberies. In 2011, 7,439 of the 104,873 violent crimes were in…

A: Given : x1= 7622.0 n1= 113231 x2= 7439.0 n2= 104873 significance…

Q: If n(A) = 39, n(B)=23, and n(An B)= 3, find n(A U B). OA. 59 OB. 65 O C. 56 O D. 62

A:

Q: 2. Mr. Miller used floor tape to make the playing court below on the gym floor. The trapezolds shown…

A:

Q: what is the probablity that matts outfit for work will inlcude an orange shirt for the day?

A:

Q: Define the concept of probable error. what are its uses?

A:

Q: EXPLAIN THE MISTAKE: 189 R 1 19 | 3,582 1,900 100 1,682 950 50 732 560 30 - 172 171 9. 1…

A: Solve the given problem.

Q: If your friend is just guessing, what is the probability that she correctly identifies the three…

A: Given that, Total no. of cups = 6 No. of cups with milk first = 3 No. of cups with tea first = 3

Q: A third bag of 50 marbles contains 50% red marbles and 50% black marbles. If students take random…

A: Note: As the student has demanded answer for only part H, the answer has been provided for same.…

Q: A random sample of students at a college reported what they believed to be their heights in inches.…

A: Given: a) To find 95% of the confidence interval for the mean difference. b) To find the t-test to…

Q: Answer the following regarding the letters in the word Arkansas. a. Determine the ratio of vowels to…

A: Given word is "Arkansas" We have to determine a) The ratio of vowels to consonants b) The ratio of…

Q: 6. What is the answer for P(-2.05 <Z<-1.14)? a. .0202 b. .0668 c. .1069 d. .1271

A: given data standard normal distributionZ~N(0,1)

Q: Develop three categorical questions for the survey.c. Develop three numerical questions for the…

A: Following are the three categorical questions:

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.