Of the last 6 trains to arrive at Norwood Station, 3 were on time. What is the experimental probability that the next train
to arrive will be on time?
write the answer as a decimal rounded to the nearest tenth

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.