Wesley bowman sells children's toy storage bins at craft shows. his commission is based on the number of bins sold in a month. he earns $45 each for the first 20 bins, $60 for the next 20 bins, and $75 for each bin over 40 bins. wesley sold 28 sets in october and 56 in november. what was his total commission for the two months ?

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect