Mathematics, 09.06.2021 01:00 ilovebeans25423
1.Two groups, A and B, consists of 100 subjects each, each with a disease. A serum is given to group A but not to group B (the control); otherwise the two groups are treated identically. It is found that in groups A and B, 75 and 65 persons, respectively, recover from the disease. Test the hypothesis that the serum helps to cure the disease, using a level of significance of 5% (0.05).
Answers: 2
Mathematics, 21.06.2019 19:30
Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters
Answers: 1
Mathematics, 21.06.2019 21:30
Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?
Answers: 1
Mathematics, 21.06.2019 22:00
Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?
Answers: 2
1.Two groups, A and B, consists of 100 subjects each, each with a disease. A serum is given to group...
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