Use a x2 test to test the claim that on given contingency table the row variable and the column variable are independent tests for adverse reactions to a new drug yielded the results given in the table at 0.05 significance lever test the claim that the treatment (drug or placebo) is independent of the reaction (whether or not headaches we’re experienced)

The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.