Approximately 1.55 percent of people ages 40-50 have breast cancer.* Suppose a person has a 86 percent chance of a positive test from a mammogram given they have breast cancer (a true positive result). Let's also suppose a person has a 6 percent chance of a positive test from a mammogram given they do not have breast cancer (a false positive result).

If the probability of busy time from a mobile phone connection is p=0.04. To find out that 4 attempts telephone connection at busy times. Try to analyze, this problem can be explained by what distribution?

Please add a lot of details, im very confused.

According to the May 16,2017 report by Pew Research, 45% of US adults say solar energy is very effective in minimizing air pollution. A sample of 160 U.S adults are surveyed. Let ?ˆp^ be the sample proportion of Americans who believe solar energy is very effective in What is the probability that no more than 76 U.S adults of the 160 surveyed believe solar energy is very effective in minimizing air pollution? What is ?ˆp^? Answer    (decimal form)   What is the z-score? Answer    (Round to the hundredths place)   What is the probability that no more than 76 U.S. adults of the 160 surveyed believe solar energy is very effective in minimizing air pollution? Answer    (decimal form) minimizing air pollution.