31. The director of a marketing department wants to estimate the proportion of people who purchase a certain product online. The
1 answer:
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Answer:
Step-by-step explanation:
GIVEN: At , there are
members and
non-members visiting a museum. After
,
members leave every five minutes and
non-members arrive every five minutes.
TO FIND: ratio of members to non-members at
SOLUTION:
Total number of members in museum at
as after every minutes
members leave
total number of minutes interval in
hour
total members at
Total number of non-members in museum at
as after every minutes
non-members arrive
total number of minutes interval in
hour
total non-members at
ratio of members to non-members at
Hence the ratio of members to non-members at is
Answer:
Option C
10%
Step-by-step explanation:
Given information
Cost of investment=$20000
Selling price=$22000
Profit=Selling price-Cost of investment=22000-20000=2000
Return on investment=profit/cost of investment