For questions #7 and #8 .assume one medical device is selected at random. The pr

Question

For questions #7 and #8 .assume one medical device is selected at random. The probability this device is defective and produced in Plant A is (a) 0.10 (b) 0.04 (c) 0.48 (d) 0.52 The probability this device is produced at Plant C or is non-defective is (a) 0.95 b) 0.38 (c) 0.90 d) 0.52 Two fair dice are rolled. Given that their sum is eight, what is the probability this eight is hard (i.e. 4 + 4)? (a) 1/3 (b) 1/5 (c) 1/36 (d) 5/36 Use the subsequent information to answer question #10. A consumer group is investigating a producer of diet meals to examine if its prepackaged meals actually contain 6 ounces of protein in each package. The group collected the following data: Statistical analysis of these data yields 95% CI (5.1oz 5.7oz) An appropriate conclusion is (a) the meals contain the advertised amount of protein (b) the meals contain significantly less than the advertised amount of protein (c) the meals contain significantly more than the advertised amount of protein (d) none of these are correct Use the following information to answer questions #11 and #12: In the winter of 2014, 15% of all pediatric outpatient visits at particular clinic were due to a single strain of flu. An investigator hypothesizes that the percentage of visits due to the flu will decrease if patients are provided with flu shots. Suppose that flu shots were given to a random sample of 125 pediatric patients in the fall of 2015. These patients were tracked over the following winter to assess whether or not they came to the clinic for flu (visits for other illnesses or injuries were not counted) Of these patients, 12% were seen in the winter of 2015-2016 for flu. A 95% confidence interval for the true population percentage of pediatric patients seen during the winter of 2015-2016 for flu is: (a) (9.1%. 147.9%) (b) (8.8%, 152%) (c) (5.6%, 184%) (d) (6.2%, 178%) An appropriate conclusion is (a) the percentage of pediatric patients seen during the winter of 2015-2016 for flu is not significantly different from the 15% rate in the winter of 2014 (b) the percentage of pediatric patients seen during the winter of 2015-2016 for flu is significantly higher than the 15% rate in the winter of 2014 (c) the percentage of pedatric patients seen during the winter of 2015-2016 for flu is significantly lower than the 15%rate in the winter of 2014 (d) none of these answers are correct

Explanation / Answer

Answer to question 9:

We need to find the probability of getting 4 on one die AND 4 on another die so that their sum is 8.

Probability of getting 4 on first die is 1/6.

Probability of getting 4 on second die is 1/6.

Hence, the probability of getting 4 on 1st die AND 4 on 2nd die is 1/6 * 1/6 = 1/36.

Thus, 9th Answer is: option C) 1/36

Questions 7 & 8 are based on the information given in questions 47 & 48 as provided in the question by you. But those 47th & 48th questions are not provided by you. Hence, I am unable to answer 7 & 8 questions. Also, the questions are not presented clearly. Unable to read them. Please do provide clear images of questions or typed questions.

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