A college student recently purchased a multiplayer video game. Before playing, the college student looked up statistics on how fast gamers were completing the full playthrough of the game. Of the 500 players that have completed the game, 331 of them completed the full game in less than 49 minutes. Use Excel to determine the probability that in a sample of 45 games, 30 or fewer of them were completed in less than 49 minutes. Round your answers to two decimal places.

What is the square root of 45? (step by step working plz)

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.