QueenBlumple4443
06.05.2020 •
Mathematics
A veterinarian’s assistant made a table that shows the animals seen in the office in one week. What is the probability that the pet seen was sick? Enter your answer as a percent rounded to the nearest hundredth.
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Ответ:
The probability that the pet seen was sick is 53.57%.
Step-by-step explanation:
The probability of an event E is the ration of the number of favorable outcomes to the total number of outcomes.
Here,
n (E) = number of favorable outcomes
N = total number of outcomes
Denote the events as follows:
C = the pet is a cat
D = the pet is a dog
O = the pet is some other animal
S = the pet is sick.
The data provided is summarized as follows:
n (C) = 28
n (C ∩ S) = 3
n (D) = 42
n (B ∩ S) = 4
n (O) = 24
n (O ∩ S) = 8
Compute the probability that a cat was sick as follows:
Compute the probability that a dog was sick as follows:
Compute the probability that another animal was sick as follows:
Compute the probability that the pet seen was sick as follows:
P (S) = P (C ∩ S) + P (D ∩ S) + P (O ∩ S)
Thus, the probability that the pet seen was sick is 53.57%.
Ответ:
i think for the first question; an oligopoly
for the third i think its; d. people accept it in exchange for goods and services.
im not sure about the 2nd maybe b or d