Mathematics, 10.10.2019 21:00 oscargonzalez4310
In answering a question on a multiple-choice test, a student either knows the correct answer or guesses it. let 0.7 be the probability that the student knows the answer, and 0.3 be the probability that the student is guessing. assume that a student who guesses the answer will be correct with probability 0.2. what is the probability that a student knows the answer to a question, given that she answered it correctly?
Answers: 2
Mathematics, 21.06.2019 14:30
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?
Answers: 3
Mathematics, 21.06.2019 19:30
Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x
Answers: 2
Mathematics, 21.06.2019 20:00
The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?
Answers: 1
Mathematics, 21.06.2019 22:20
Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g
Answers: 2
In answering a question on a multiple-choice test, a student either knows the correct answer or gues...
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