Q1 Randomly sampled employees at an office were asked to take part in a survey about overtime. The office manager wanted to find out how many employees worked overtime in the last […]

Q1 A dental student is conducting a study on the number of people who visit their dentist regularly. Of the 520 people surveyed, 312 indicated that they had visited their dentist within the past […]

Prepare Download the Week 5 Lab Lecture Notes. download Follow along with the Week 5 Lab Video and fill out the Week 5 Lab Lecture Notes as you watch the video. […]

Q1 A family of statisticians is trying to decide if they can afford for their child to play youth baseball. The cost of joining a team is normally distributed with […]

Q1 The weights of bags of raisins are normally distributed with a mean of 175 grams and a standard deviation of 11 grams. Bags in the upper 4.5% are too heavy and must be repackaged. Also, bags […]

Q1 After collecting the data, Peter finds that the standardized test scores of the students in a school are normally distributed with mean 85 points and standard deviation 3 points. Use the Empirical Rule […]

Q1 A random sample of small business stock prices has a sample mean of x¯=$54.82 and sample standard deviation of s=$8.95.  Use the Empirical Rule to estimate the percentage of small business stock […]

Q1 Rosetta averages 148 points per bowling game with a standard deviation of 14 points. Suppose Rosetta’s points per bowling game are normally distributed. Let X= the number of points per bowling game. Then X∼N(148,14). If necessary, […]

Q1 Translate and solve: twenty-three greater than b is at least −276. Give your answer in interval notation. Q2 Translate and solve: 54 greater than x is greater than 216. Give your answer in interval notation. Q3 Solve […]