Explain. 13) A survey of 250 homeless persons showed that 11 were veterans. Find a point estimate p, for the population proportion of homeless persons who are veterans.

Provide an appropriate response. 4) What happens to the mean and standard deviation of the distribution of sample means as the size of the sample decreases? A) The mean of the sample means increases and the standard error stays constant. B) The mean of the sample means stays constant and the standard error increases. C) The mean of the sample means decreases and the standard error increases. D) The mean of the sample means stays constant and the standard error decreases.

Construct the appropriate confidence interval. 16) A survey of 2450 golfers showed that 281 of them are left-handed. Construct a 98% confidence interval for the proportion of golfers that are left-handed.   17) The USA Today claims that 44% of adults who access the Internet read the international news online. You want to check the accuracy of their claim by surveying a random sample of 120 adults who access the Internet and asking them if they read the international news online. Fifty-two adults responded “yes.” Use a 95% confidence interval to test the newspaper’s claim.

Section A This section comprises 30 Multiple Choice Questions (Questions 1-30) Attempt ALL Questions. All questions carry EQUAL marks. Do not spend more than 35 minutes on this section

Three elements may be applied to the stud-weld symbol:____.a.    stud size, stud spacing, and the location of stud welds    b.    stud size, stud spacing, and the number of stud welds    c.    stud size, stud placement, and the location of stud welds    d.    stud size, stud placement, and the number of stud welds

Surfacing welds are shown on the ____ side of the reference line.a.    upper    c.    inner    b.    lower    d.    outer

Describe the differences in the mechanism of actions of etanercept and infliximab. (5 marks)

The following statements relate to additives found in hard gelatin capsule shells. Choose the correct statement:

The following statements relate to reasons for granulation. Which statement is INCORRECT?

Section C This section comprises 4 Short-Answer Questions (Questions 35-38). Attempt THREE questions only. Each question carries 5 marks. Do not spend more than 45 minutes on this section