What Would You Do? You work at a bank and are asked to recommend the amount of cash to put in an ATM each day. You don’t want to put in too much (security) or too little (customer irritation). Here are the daily withdrawals (in 100s of dollars) for 30 days. 72 84 61 76 104 76 86 92 80 88 98 76 97 82 84 67 70 81 82 89 74 73 86 81 85 78 82 80 91 83 (a) If you put $9000 in the ATM each day, what percent of the days in a month should you expect to run out of cash?
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
What Would You Do? You work at a bank and are asked to recommend the amount of cash to put in an ATM each day. You don’t want to put in too much (security) or too little (customer irritation). Here are the daily withdrawals (in 100s of dollars) for 30 days.
72 84 61 76 104 76 86 92 80 88 98 76 97 82 84 67 70 81 82 89
74 73 86 81 85 78 82 80 91 83
(a) If you put $9000 in the ATM each day, what percent of the days in a month should you expect to run out of cash? Explain your reasoning and show work.
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