Question

Customer Satisfaction Ratings Number of Customers Rating Restaurant A Restaurant B 5 17 13 15 AWN 13 14 UP Print Done The owner of two fast-food restaurants has recorded customer satisfaction ratings for both locations on a scale of 1 to 515 - Most satisfied). The table linked below summarizes the data a. Calculate the mean satisfaction rating at each location b. Calculate the standard deviation of each distribution c. What conclusions can be drawn from these results? Click the icon to view the customer satisfaction ratings a. What is the mean for Restaurant A? (Type an integer or decimal rounded to three decimal places as needed) What is the mean for Restaurant B? (Type an integer or decimal rounded to three decimal places as needed.) b. What is the standard deviation for Restaurant A? GE (Type an integer or decimal rounded to three decimal places as needed.) What is the standard deviation for Restaurant B? = (Type an integer or decimal rounded to three decimal places as needed.) c. What conclusions can be drawn from these results? Consider the discrete probability distribution below. Complete parts a and b to the right. Outcome Probability 0.24 0.27 0.19 0.12 0.09 0.06 0.03 a. Calculate the mean of this distribution - (Type an integer or a decimal.) b. Calculate the standard deviation of this distribution ܕ ܐ ܕ G (Round to three decimal places as needed.) ܗ Question Help A political committee consists of five Democrats and seven Republicans. A subcommittee of six people needs to be formed from this group. For this problem, define a success as a Democrat being selected for the subcommittee) a. Determine the probability that this subcommittee will consist of four Democrats and two Republicans were randomly selected b. Calculate the mean and standard deviation of this distribution a. The probability that this subcommittee will consist of four Democrats and two Republicans if they were randomly selected (Round to four decimal places as needed.) b. The mean of this distribution is (Round to three decimal places as needed) The standard deviation of this distribution is (Round to three decimal places as needed) Consider the discrete probability distribution below. Complete parts a and b to the right a. Calculate the mean of this distribution Outcome وه ش به ا Probability 0.24 0 27 0.19 0.12 0.09 0.06 0.03 (Type an integer or a decimal.) b. Calculate the standard deviation of this distribution. ه ن (Round to three decimal places as needed) و Question Help A political committee consists of five Democrats and seven Republicans. A subcommittee of six people needs to be formed from this group. For this problem, define a success as a Democrat being selected for the Subcommittee) a. Determine the probability that this subcommittee will consist of four Democrats and two Republicans if they were randomly selected b. Calculate the mean and standard deviation of this distribution a. The probability that this subcommittee will consist of four Democrats and two Republicans if they were randomly selected is (Round to four decimal places as needed) b. The mean of this distribution is (Round to three decimal places as needed.) The standard deviation of this distribution is (Round to three decimal places as needed)