In preparation for an earnings report, a large retailer wants to estimate p = the proportion of annual sales that occur during the months of November and December. A SRS of sales from last year revealed that 37 of the randomly selected sales occurred during the months of November and December while 124 occurred during the rest of the year. Calculate a 95% confidence interval for p.

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.