Mathematics, 16.12.2021 03:20 Mtovar550

The area of a circle is 12pi square units. what would the circumference of the circle be?

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Mathematics, 22.06.2019 00:30, tremainecrump1466

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)

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Mathematics, 22.06.2019 01:30, codyczajka

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?

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Mathematics, 22.06.2019 06:10, michaellagann2020

Asensitive measuring device is calibrated so that errors in the measurements it provides are normally distributed with mean 0 and variance 2.00. find the probability that a given error will be between -3 and 3.

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Mathematics, 22.06.2019 10:30, genyjoannerubiera

Samantha works in a bakery. the profit of cupcakes in dollars, after t weeks, is given by the function, c(t) = 0.1t3. the profit of cookies in dollars, after t weeks, is given by the function, k(t) = 5(1.07)t - 5. which function describes the total profit, m(t), at the bakery after t weeks? m(t) = 0.1t3 + 5(1.07)t - 5 m(t) = 0.1t3 + 5(1.07)t + 5 m(t) = 10t3 + 5(1.07)t - 5 m(t) = 0.1t3 - 5(1.07)t - 5