Question

(10 pts) After conducting a survey of 375 investors researchers found that 32.8% of the respondents subscribed to the New York Times (NYT), 40% subscribed to the Wall Street Journal (WSJ), and 17.6% subscribed to USA Today (UST). If 12.8% are subscribed to exactly 2 of these newspapers and 30.4% are subscribed to none of them, a) How many investors are subscribed to all three newspapers? (b) How many investors are subscribed to exactly one newspaper? HINTS: P(AUBUC) P(A)P(B) P(C)- P(An B) P(AnB) P(BnC) P(AnBnC)

Answer 1

罥let ,0, A, B, and c donda -Bic total num ken b2 oubneri kad .to -tha wall Street Tu九nal and /suberibed ㅢo the USA Today, nen partiell . 40 VL(B) 375 150 345 z 66 30 4 Ltb to al Sinde 261-123-150-66 + 48+9m (nnBnA etwnpa