Please I need help with these questions. Please note the each picture has a number in the left corner of it, example 7.1.7-T please use those numbers to identify the solutions and explanations example 7.1.7-T ...... The reason I say that, is because is going to help me to identify them faster. Thanks for comprehension and support Thanks! Also note that most of them has been already answered, don't need explanations or solutions for those has been already answered, only for those are needed of it.

7.1.7-T Assigned Media Question Help Find the critical value Zo/2 that corresponds to the confidence level 82%. Za/2= (Round to two decimal places as needed.)7.2.14 Assigned Media Question Help In a test of the effectiveness of garlic for lowering cholesterol, 45 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes (before - after) in their levels of LDL cholesterol (in mg/dL) have a mean of 5.4 and a standard deviation of 19.3. Construct a 90% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the confidence interval suggest about the effectiveness of garlic in reducing LDL cholesterol? Click here to view a t distribution table. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. What is the confidence interval estimate of the population mean p? 0.57 mg/dL