Mathematics, 27.07.2019 02:30 wowwowumbsi
We believe that 90% of the population of all calculus i students consider calculus an exciting subject. suppose we randomly and independently selected 21 students from the population. if the true percentage is really 90%, find the probability of observing 20 or more of the students who consider calculus to be an exciting subject in our sample of 21.
Answers: 1
Mathematics, 21.06.2019 14:30, brockandersin
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 17:30, lizzy2951
Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?
Answers: 2
Mathematics, 21.06.2019 20:30, janeou17xn
Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?
Answers: 1
We believe that 90% of the population of all calculus i students consider calculus an exciting subje...
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