In a clinical study, volunteers are tested for a gene that has been found to increase the risk for a disease. The probability that a person carries the gene is 0.1. All volunteers are independent in terms of carrying the gene. (a) What is the probability that four or more people need to be tested to detect two with the gene? (b) What is the expected number of people to test to detect two with the gene?

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Abnormal softening of a gland is known as

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.