Question

​Fill in the missing information.

Tim Worker is doing his budget. He discovers that the average miscellaneous expense is $45.00 with a standard deviation of $16.00. What percent of his expense in this category would he expect to fall between $38.60 and $57.80?

1.The z for $38.60 = -____
44.3
28.8
15.5
.8
.4

Answer 1

2.The percent of area associated with $38.60 = ____%
.8
28.8
15.5
44.3
.4

3.The z for $57.80 = ____
.8
.4
15.5
28.8
44.3

4,The percent of area associated with $57.80 = ____%
.4
15.5
44.3
28.8
.8

5.Adding the two together, the percent of his expenses between $38.60 and $57.80 is ____%
28.8
15.5
44.3
.8
.4