frequency table ungrouped Casino profits from bets f -$344 5108 430 4892 a. Using the frequency table what is xbar (question 4a needs you to find the sample mean) b. Paste in the question asking the probability that x-bar given in the spreadsheet student number 20019839 If the profit from a single bet has a population mean of $43.00 with population standard deviation $387.00 what is the probability the average of 10000 bets is less than and enter the score $48.8050 C answer this question and Enter the z test stat from . student number 20019839 Test the claim the population mean is different to $43.00 if you know the population standard deviation is $387.00 And a sample of 10000 bets has an average of use a 5% level of significance $48.805000