Statistics

Answer 14.5 24.5 15.5 58

A card is drawn from a standard deck. What is the probability of drawing a queen or a king? 4/13 2/13 1/13 1/26 1/52

A spinner has 12 equal sections, She spins the spinner 36 times. If the spinner lands on purple 15 times, what is the approximate number of purple sections on the spinner?

Current Attempt in Progress Suppose fx=0.20 for 0

Statistically, these groups are more likely to live in poverty: Entrepreneurs, high-level managers of international corporations, athletes, and actors Minorities and people working in occupations which require an advanced professional degree Minorities, people who live in female-headed households, and children People with disabilities and male-headed househo...

Question The top 5% of applicants on a test will receive a scholarship. If the test scores are normally distributed with a mean of 76 and a standard distribution of 12, what is the lowest test score that still qualifies for a scholarship? Use Excel, and round your answer to the nearest integer. Provide your answer below:

What might you conclude if a random sample of 30 time intervals between eruptions has a mean longer than 95 minutes? Select all that apply. A. The population mean is probably less than 85 minutes. B. The population mean cannot be 85 minutes, since the probability is so low. C. The population mean must be less than 85 minutes, since the probability is so lo...

Latasha feels like the die she is using is not fair based on her first twenty rolls. She rolls the die 100 more times to test it out. She rolls a three 39 times, a five 26 times, a four 17 times, a six 12 times, a one 5 times, and a two 2 times. Latasha needs to roll a 4 or a 6 to win the game on her next roll. Based on her 100 rolls, what is the probabili...

58.00/66.00 A national polling agency conducted a survey based on a random sample of Americans. The poll finds that 52% of Americans approve of the job that the President is doing; the poll has a margin of error of 4% assuming a 95% degree of confidence. Step 3 of 3: What was the minimum size of the sample for this poll? Round your answer up to the nearest w...

a Find the area under the standard normal curve to the left of z=2.32. The area to the left of z=2.32 is 0.9898 Part: 1 / 4 Part 2 of 4 b Find the area under the standard normal curve to the right of z=0.94. The area to the right of z=0.94 is ×