Rob is going over his currency exchange receipts from his trip to japan and south korea. when he was in japan, he exchanged us dollars for japanese yen at a rate of 1: 87.441, and when he was in south korea, he exchanged japanese yen for south korean won at a rate of 1: 12.395. to three decimal places, what was the exchange rate of us dollars to south korean won? a. 1: 0.092 b. 1: 7.055 c. 1: 99.836 d. 1: 1,083.831

Martha needs 22.25 strawberries for every 5 smoothies she makes. complete the table to see how many strawberries she would need to make 10 smoothies and 20 smoothies.

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.