On any given test, there is a 41% chance that a student will get a B or better. A teacher randomly selects tests until there is a B or better. Assume the selections are independent. What is the probability that it will take exactly 4 selections to get a B or better? What is the probability that it will take more than 3 selections to get a B or better?

Giving 30 points away plus brainliest if you answer correctly if you're found to be at fault in your driver license will be canceled within 90 days unless you complete a 12-hour advanced driver improvement course, complete four hours of behind-the-wheel training, and pass the extended driving test. a. a crash that results in an injury b. a crash in a school zone c. two crashes within two years d. three crashes within three years

Which scenario is least likely to occur in a market economy? a) the government pays farmers to stop planting certain crops for a period of time. b) the government stops a factory from producing imitations of an expensive type of purse. c) the government offers tax breaks to companies that meet efficiency goals in their products. d) the government allows only two competitors to offer goods for sale on the country's highways.

Which of the following is not true about hydroelectricity a. use of gravitational force of flowing water b. its the most widely used renewable energy c. it has a high output of co2 that fossil fuels d. it has no direct waste asap