A scientist claims that a smaller proportion of members of the National Academy of Sciences are women when compared to the proportion of women 10 points nationwide. Let p, represent the proportion of women in the National Academy of Sciences and p2 represent the proportion of women nationwide. Which is the correct alternative hypotheses that corresponds to this claim? A. Ha P,-P2 < 0
B. Ha: p1-p2 > 0
C. Ha: p1-p2 is not equal to 0

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?