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#1 Sports and Leisure Find the mean and standard deviation for the batting average for a player in the most recently completed MBL season.
#1 Sports and Leisure Find the mean and standarddeviation for the batting average for a player in themost recently completed MBL season. What battingaverage would separate the top 5% of all hittersfrom the rest? What is the probability that a randomlyselected player bats over 0.300? What is theprobability that a team of 25 players has a mean thatis above 0.275?#2Health and Wellness Use information from the RedCross to create a pie chart depicting the percentages ofAmericans with various blood types. Also findinformation about blood donations and the percentageof each type donated. How do the charts compare? Whyis the collection of type O blood so important?#3Health and Wellness Use the data regarding heartrates collected in answer #2 problem. Use the sample mean and standard deviationas estimates of the population parameters. For thebefore-exercise data, what heart rate separates the top10% from the other values? For the after-exercise data,what heart rate separates the bottom 10% from the othervalues? If a student was selected at random, what is theprobability that her or his mean heart rate beforeexercise was less than 72? If 25 students were selectedat random, what is the probability that their mean heartrate before exercise was less than 72?
