Mathematics, 26.08.2019 18:10 YSGabino2991
Healthy lungs 1.4.26 researchers wanted to test the hypothesis that living in the country is better for your lungs than living in a city. to eliminate the possible variation due to genetic dif- ferences, they located seven pairs of identical twins with one member of each twin living in the country, the other in a city. for each person, they measured the percentage of in- haled tracer particles remaining in the lungs after one hour: the higher the percentage, the less healthy the lungs. they found that for six of the seven twin pairs the one living in the country had healthier lungs. a. is the alternative hvpothesis one-sided or two-sided? b. based on the sample size and distance between the null value and the observed proportion, estimate the strength of evidence: inconclusive, weak but suggestive, moder- ately strong, strong, or overwhelming c. here are probabilities for the number of heads in seven tosses of a fair coin: # heads 0 2 3 4 6 probability 0.0078 0.0547 0.1641 0.2734 0.2734 0.1641 0.0547 0.0078 compute the p-value and state your conclusion.
Answers: 3
Mathematics, 21.06.2019 17:00
Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.
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Mathematics, 21.06.2019 17:30
Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?
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Mathematics, 21.06.2019 20:30
At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.
Answers: 1
Healthy lungs 1.4.26 researchers wanted to test the hypothesis that living in the country is better...
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