If p(a) = 0. 25 and p(b) = 0. 45, what is p(a or b) if a and b are independent?

What percentage of the earth's water is available for use by living things?

Jessica wants to get a credit card, but the bank is refusing to give her one. what could be the possible reason behind the bank's refusal to comply with jessica's request? a. she does not have an account with the bank b. she has a bad credit history c. she has a good credit history d. she is 18 years old e. she doesn't have a job

After studying french for 5 yearscin school, i was shocked to discover when i went to france that i couldn't even get a glass of water without a lot of sign language what is the author main point