Which statement is true about whether c and y are independent events? c and y are independent events because p(c∣y) = p(y). c and y are independent events because p(c∣y) = p(c). c and y are not independent events because p(c∣y) ≠ p(y). c and y are not independent events because p(c∣y) ≠ p(c).

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?