A politician running for Senate in California claims that only 34% of CaliforhlanS dp her competitor is doing. Melissa wants to test if this is true. She surveys 50 Californians. 1. Assuming the politician's claim about her competitor's approval rating is true, what is the probability that more than 40% of those surveyed approve of the competitor?

Organ Donors USA Today provided information about a survey of 5100 adult Internet users. Of the respondents, 2346 said they are willing to donate organs after death. In this survey conducted for Donate Life America, 100 adults were surveyed in each state and the District of Columbia, and results were weighted to account for the different state population sizes.  a. What percentage of respondents said that they are willing to donate organs after death? b. Based on the poll results, what is the probability of randomly selecting an adult who is willing to donate organs after death? c. What term is used to describe the sampling method of randomly selecting 100 adults from each state and the District of Columbia?

It is known that 19% of people ride public transport without paying for it. We talk to 82 people who have been on public transport in the last month. What is the probability that the sample proportion is more than 22%?

3. Data collected from a website show that 60% of visitors use Scavenger as their web browser. You randomly select 100 visitors from the website. What is the probability that at most 55 of the visitors use Scavenger? Round your answer to the nearest tenth of a percent. Answer choices: 91.7% 60.0% 55.0% 17.9%

The class I'm taking is statistics!   I am completely stuck. Need help. I have attached the problem. Please view attachment before answering.  Thank you!

A pew research center survey asked adults in the United States which technology would be very hard to give up. The following responses were obtained internet 70% smart phone 60% email 30% and land line 25%. If 20 adults internet uses are surveyed what is the probability that 3 users will report that it would be very hard to give up?

Suppose the percentage of those completing a master’s degree is 42%. In a randomsample of 9 master’s degree students, what is the probability that exactly 5 willcomplete their degrees?

Solve the following problem and show your complete solutions. Explain your answer for better understanding.

Extra Credit! Let's assume 36% of people have blood type O. At a health clinic, you sample 11 people. Calculate the probability of seeing 4 people out of 11 with blood type O. 6.38% O 24.38% 21.28% 330

A national sports equipment co-op is going to conduct a survey of its members. It knows from collecting data when members join that 68% of them identify as male. Assuming the total number of members is very large and 200 of them are randomly selected to take the survey, what’s the chance less than 60% of these randomly chosen members identify as male? Show all your work and write your answer as a percentage.