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Moderate

ATM Withdrawals

GMAT-RJEPNX

Two Automatic Teller Machines (ATMs) are to be installed in a shopping mall. ATM-1 is positioned near a movie theater and ATM-2 is positioned near a restaurant. The following table shows the proportions of customers that use each ATM to withdraw certain amounts of money:

In the sortable table below, click on the column title to organize the table by that column's values.

Amount Withdrawn (dollars) Proportion of ATM-1 customers Proportion of ATM-2 customers
\$ 40.00 0.30 0.28
\$ 50.00 0.06 0.04
\$ 60.00 0.05 0.08
\$ 80.00 0.02 0.02
\$ 100.00 0.40 0.29
\$ 120.00 0.05 0.16
\$ 150.00 0.08 0.11
\$ 200.00 0.04 0.02

Decide whether the following statements are true or false about this scenario.

True

False

True

False

ATM-2 is more likely than ATM-1 to have customers withdrawing at least $100.

True

False

ATM-1 has a higher average withdrawal amount than ATM-2.

True

False

At ATM-1, at least two-thirds of the customers that withdraw less than \$100 specifically request the minimum withdrawal of \$40.