Mathematics, 16.08.2021 22:20, elstone01
In a survey of 200 housewives, it was discovered that 8 had read magazine A, 100 had read magazine B and 96 had read magazine C. It was further discovered that 24 had read A and B, 36 had read B and C while 26 had read A and C.
Find
(a) The number of housewives that had read all three magazines.
(b) The number of housewives that had read at least two magazines. The number of housewives that had read only one magazine.
Answers: 3
Mathematics, 22.06.2019 01:20, emanuel323
Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1
Answers: 3
Mathematics, 22.06.2019 02:00, kayleahwilliams6
The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220
Answers: 1
Mathematics, 22.06.2019 04:50, landowatson123
Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40
Answers: 3
In a survey of 200 housewives, it was discovered that 8 had read magazine A, 100 had read magazine B...
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