SAT, 16.04.2020 00:07 edenszigethyow8ajk
A vasectomy is 99.97% effective, with pregnancy occuring extremely rarely after the 3 month wait period, once the procedure is complete. A doctor claims to have performed 8,303 vasectomies in his career. (Round to 2 decimal places)
a) What is the likelyhood that at least one of the vasectomies performed was not effective? (Answer in Percent)
nothing%
b) What is the Expected Number of failed vasectomies performed by the doctor?
8300.51
c) What is the Expected Number of vasectomies performed before a patient returns complaining that his was not effective?
nothing
d) Find the probability that 0 of his patients had a failed vasectomy. (Answer in Percent)
nothing%
e) Find the probability that the 2nd person he performed a vasectomy on was the first person on which he performed it successfully. (Answer in Percent)
nothing%
Answers: 3
SAT, 27.06.2019 11:00
Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.
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SAT, 27.06.2019 23:00
What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.
Answers: 1
SAT, 29.06.2019 06:00
After making a deposit puja had $264 in her savings account she noticed that if she added $26 to the amount originally in the account and double the sum she would get the new amount
Answers: 2
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