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An organization determined most of its sales only occurred after at least 44 contacts. However, 44%44\% of its salespeople gave up on a customer after the 11st contact didn't make a sale. Of the remaining salespeople, 40%40\% gave up after the 22nd contact. Finally, 41%41\% of the salespeople who made a 33rd contact gave up when that call did not make a sale. To the nearest percent, what percent of the original salespeople made 44 or more contacts if the first 33 contacts did not result in sales? (Round to the nearest percent. Ignore the %\% symbol when entering your answer. For example, if the answer is %\%, enter %\%.)

Full solution

Q. An organization determined most of its sales only occurred after at least 44 contacts. However, 44%44\% of its salespeople gave up on a customer after the 11st contact didn't make a sale. Of the remaining salespeople, 40%40\% gave up after the 22nd contact. Finally, 41%41\% of the salespeople who made a 33rd contact gave up when that call did not make a sale. To the nearest percent, what percent of the original salespeople made 44 or more contacts if the first 33 contacts did not result in sales? (Round to the nearest percent. Ignore the %\% symbol when entering your answer. For example, if the answer is %\%, enter %\%.)
  1. Calculate 11st Contact Drop: Determine the percentage of salespeople who gave up after the 11st contact. 44%44\% of salespeople gave up after the 11st contact, so 100%44%=56%100\% - 44\% = 56\% continued to the 22nd contact.
  2. Calculate 22nd Contact Drop: Calculate the percentage of salespeople who gave up after the 22nd contact.\newlineOf the remaining 56%56\%, 40%40\% gave up after the 22nd contact. So, 56%×40%=0.56×0.40=0.22456\% \times 40\% = 0.56 \times 0.40 = 0.224 or 22.4%22.4\% of the original salespeople gave up after the 22nd contact.
  3. Calculate 33rd Contact Continuation: Determine the percentage of salespeople who continued to the 33rd contact. To find this, subtract the percentage who gave up after the 22nd contact from those who continued after the 11st contact: 56%22.4%=33.6%56\% - 22.4\% = 33.6\% continued to the 33rd contact.
  4. Calculate 33rd Contact Drop: Calculate the percentage of salespeople who gave up after the 33rd contact.\newlineOf the remaining 33.6%33.6\%, 41%41\% gave up after the 33rd contact. So, 33.6%×41%=0.336×0.41=0.1377633.6\% \times 41\% = 0.336 \times 0.41 = 0.13776 or 13.776%13.776\% of the original salespeople gave up after the 33rd contact.
  5. Calculate 4+4+ Contacts: Determine the percentage of salespeople who made 44 or more contacts.\newlineTo find this, subtract the percentage who gave up after the 33rd contact from those who continued after the 22nd contact: 33.6%13.776%=19.824%33.6\% - 13.776\% = 19.824\% of the original salespeople made 44 or more contacts.
  6. Round to Nearest Percent: Round the percentage to the nearest percent. 19.824%19.824\% rounds to 20%20\% when rounded to the nearest percent.

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