Mathematics, 01.11.2019 06:31 1hannacarson
In sludge county, a sample of 50 randomly selected citizens were tested for pinworm. of these, 11 tested positive. the cdc reports that the u. s. average pinworm infection rate is 12%. test the claim that sludge county has a pinworm infection rate that is greater than the national average. use a 0.05 significance level. (a) what is the sample proportion of sludge county residents with pinworm
Answers: 2
Mathematics, 21.06.2019 21:30
Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)
Answers: 1
Mathematics, 21.06.2019 22:00
The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample
Answers: 1
Mathematics, 21.06.2019 22:10
In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2
Answers: 3
In sludge county, a sample of 50 randomly selected citizens were tested for pinworm. of these, 11 te...
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