= Suppose that P(A | B) = 0.76, P(A) 98.765). 0.47, and P(B) = 0.21. Determine P(BIA). Round your answer to three decimal places (e.g.

Twenty-four percent of executives say that older workers have blocked their career advancement. Fifty executives are randomly selected and are asked if they think that older workers have blocked their career advancement. Let X be the number of these executives who answered, "yes." Calculate P(x > 15). (Round your final answer to four decimal places.)

5.2 i know that the answer is not -310 or 310

HW TWENTY Options for part (b) a. "Z"  b. "t"  c. "Chi-square"  d. "F"

5.) 35 students were enrolled on the first day of a English class. By mid-semester, there were only 20 students left. What was the percentage decrease in enrolled students from the first day of class to the mid semester? Round your answer to one decimal place.

Chris is asked to find a geometric mean in JKL what is his error?

Is 35 hundred equal to 3,500

The U.S. Weather Bureau has a station on Mauna Loa in Hawaii that has measured carbon dioxide levels since 1959. At that time, there were 313 parts per million of carbon dioxide in the atmosphere. In 2005, the figure was 383 parts per million. What is the absolute change in carbon dioxide levels: parts per million What is the relative change in carbon dioxide levels: between 0 and 100, not a decimal between 0 and 1. Round to ONE decimal place.) % (Give your answer as a percent

13. Given P(A) = 0.17, P(B) = 0.42, and P(B|A) = 0.18, what is P(A and B)? Answer in decimal form. Round to 4 decimal places as needed.

Big babies: The National Health Statistics Reports described a study in which a sample of 354 one-year-old baby boys were weighed. Their mean weight was 25.8 pounds with standard deviation 5.3 pounds. A pediatrician claims that the mean weight of one-year-old boys is greater than 25 pounds. Do the data provide convincing evidence that the pediatrician's claim is true? Use the a=0.05 level of significance and the P-value method with the TI-84 Plus calculator. Part 1 of 5