Aresearcher wonders if there an association between the incidence of colds and the amount of vitamin c taken. he recruits 88 volunteers and randomly assigns 31 of them to take 500 mg of vitamin c, 15 of them to take 1000 mg of vitamin c and the rest to take no vitamin c. at the end of the study, it was determined that 28 of the volunteers did not have any colds where 18 of them were in the 500 mg group and 5 of them were in the 1000 mg group. test the appropriate hypothesis at α = .05 .

Which strategy is used by public health to reduce the incidence of food poisoning?

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?