The mean of 17 observations is 30, three observations 20, 30, and 40 are deleted and one
observation 90 is included. Then, find the means
of the final observations.

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.

You roll a fair 66-sided die. what is \text{p(roll less than 4})p(roll less than 4)? if necessary, round your answer to 22 decimal places.