Does this answer look like I calculated correctly. The question is in a certain population of women 4% have had breast CA, 20% are smokers, and 3% are smokers and have had breast CA. A woman is selected at random from the population. What is the probability that she has had breast CA or smokes or both.

Suppose a math class contains 33 students. There are 23 females (five of whom speak Spanish) and 10 males (two of whom speak Spanish). Give all answers as decimals to at least two decimal places.   3. What percent of Spanish speaking students are male?   4. If someone does not speak Spanish what is the probability they are female?

Approximately 18% of shoppers used cellphones to look for deals. THe probability of making a purchase was 0.45 if a person used a cell phone to shop. For a randomly selected shoppers, what is the probability that the person used a cell phone and made a purchase?

Alex surveyed some students at his school, asking about their favorite sport and whether they have a pet. What is the probability that a student in this survey has pets? Has Pets No Pets Total O 0.063 Basketball 16 12 28 O 0.110 Football 90 72 162 O 0.433 Baseball 38 26 64 O 0.567 Total 144 110 254 O 0.642

in a poll 41% of the united states was found to be independednt in political party affiliation. if you survey 10 americans, determine the answers to the following questions. what is the probability that exactly five of the people surveyed are independent

I need help with a and b.

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 that during this time of virus, 56% of people outside are wearing face masks. If you walk up to three random people, what is the probability that none of the three people will be wearing masks? Group of answer choices 32.5% 8.5% 41.4% 17.6%

The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions,assume these values are not changing from year to year, and that the population of the United States is 312 millionpeople. Cause of Death in US Cause Number of deaths Passenger car occupant 13,100 Motorcycle driver 4,500 Tornado 553 Skydiving 56 What is the probability that you died as a passenger car occupant last year?