You work at a bank and are asked to recommend the amount of cash to put in an ATM each day. Youdon't want to put in too much(security) or too little(customer irritation). Complete parts(a) through(c) below.

LOADING...

Click the icon to view the the daily withdrawals(in 100s ofdollars) for a period of 30 days.

(a) Choose the correct relative frequency histogram for the data using eight classes below.

A.

51

55

59

63

67

71

75

79

0

0.1

0.2

0.3

0.4

A histogram has a horizontal axis labeled from 47 to 83 in increments of 4 and a vertical axis labeled from 0 to 0.4 in intervals of 0.05. The histogram contains vertical bars of width 4, where one vertical bar is centered over each of the horizontal axis tick marks. The heights of the vertical bars are listed as follows, where the label is listed first and the height is listed second: 51, 0.067; 55, 0.067; 59, 0.167; 63, 0.333; 67, 0.133; 71, 0.133; 75, 0.067; 79, 0.033.

B.

52.5

56.5

60.5

64.5

68.5

72.5

76.5

80.5

0

0.1

0.2

0.3

0.4

A histogram has a horizontal axis labeled from 49 to 85 in increments of 4 and a vertical axis labeled from 0 to 0.4 in intervals of 0.05. The histogram contains vertical bars of width 4, where one vertical bar is centered over each of the horizontal axis tick marks. The heights of the vertical bars are listed as follows, where the label is listed first and the height is listed second: 52.5, 0.067; 56.5, 0.067; 60.5, 0.167; 64.5, 0.333; 68.5, 0.133; 72.5, 0.133; 76.5, 0.067; 80.5, 0.033.

C.

55

59

63

67

71

75

79

82

0

0.1

0.2

0.3

0.4

A histogram has a horizontal axis labeled from 51 to 86 in increments of 4 and a vertical axis labeled from 0 to 0.4 in intervals of 0.05. The histogram contains vertical bars of width 4, where one vertical bar is centered over each of the horizontal axis tick marks. The heights of the vertical bars are listed as follows, where the label is listed first and the height is listed second: 55, 0.067; 59, 0.067; 63, 0.167; 67, 0.333; 71, 0.133; 75, 0.133; 79, 0.067; 82, 0.033.

D.

52.5

56.5

60.5

64.5

68.5

72.5

76.5

80.5

0

0.1

0.2

0.3

0.4

A histogram has a horizontal axis labeled from 49 to 85 in increments of 4 and a vertical axis labeled from 0 to 0.4 in intervals of 0.05. The histogram contains vertical bars of width 4, where one vertical bar is centered over each of the horizontal axis tick marks. The heights of the vertical bars are listed as follows, where the label is listed first and the height is listed second: 52.5, 0.067; 56.5, 0.067; 60.5, 0.167; 64.5, 0.333; 68.5, 0.133; 72.5, 0.133; 76.5, 0.067; 80.5, 0.033.

(b) If you put $7050

7050 in the ATM eachday, what percent of the days in a month should you expect to run out ofcash?

nothing

%(Round to the nearest tenth asneeded.)

(c) If you are willing to run out of cash for10% of thedays, how much cash should you put in the ATM eachday?

$

nothing

(Round to the nearest hundred dollars asneeded.)