Question

Question 1 Not complete Points out of 2.00 345 p Flag question The following is a survey of of 4745 part-time workers' salaries: salary frequency probability 12,000-14,999 0.07 15,000-17.999 750 0.16 18,000-20,999 1670 0.35 21,000-23,999 1430 0.30 24,000-26,999 550 0.12 How was the probability for 18,000-20,999 found? Enter answer as an unreduced fraction, for example the probability of drawing a King from a deck of cards is about 0.08, and it is found by the fraction 4/52 Answer: Check Question 2 Not complete Points out of 2.00 Find the probability of a randomly selected part-timer having a salary of $15,000-$20,999 (enter a decimal to 2 places). Answer: P Flag question Check

Answer 1

Last PL 18000 - 20999) = 1670 t favourable __424 Tot4 ) = 0.35 I b) el salary of 15000 . 20,999) = Plisoo- 17994) + P ( 18000 - 20999) 0.16 +0,35 0.5 L c) P ( not having salary of 15000 - 17999) al-Pl having salary of 15000-17999) el-oille 0,84 d) P(less than 21000 P(|2000 - 14999) telimm - 17999) tpli sono - 20999 0.07 to. 1676.35 0:58