According to the most recent data, 9.5% of engineers (electrical, mechanical, civil, and industrial) were women. Suppose a random sample of 75 engineers a. How likely is it that a random sample of 75 people will contain 9 or more women in these positions? b. How likely is it that the random sample will contain fewer than 5 women in these positions? c. If the random sample included 150 engineers, how would this change your answer to part b? a. The probability of getting a sample of 75 with 9 or more women is. (Round to four decimal places as needed.) selected.

4. Sophomore, junior, and senior students at a high school will be surveyed regarding a potential increase in the extracurricular student activities fee. There are three possible responses to the survey question - agree with the increase, do not agree with the increase, or no opinion. A chi-square test will be conducted to determine whether the response to this question is independent of the class in which the student is a member. How many degrees of freedom should the chi-square test have? B E 1

Does the location of your seat in a classroom play a role in attendance or grade? 400 students in a physics course were randomly assigned to one of four groups. The 100 students in group 1 sat 0 to 4 meters from the front of the class, the 100 students in group 2 sat 4 to 6.5 meters from the front, the 100 students in group 3 sat 6.5 to 9 meters from the front, and the 100 students in group 4 sat 9 to 12 meters from the front. Complete parts (a) through (c). Use the Tech Help button for further assistance. (a) For the first half of the semester, the attendance for the whole class averaged 83%. So, if there is no effect due to seat location, we would expect 83% of students in each group to attend. The data show the attendance history for each group. How many students in each group attended, on average? Is there a significant difference among the groups in attendance patterns? Group Attendance 4 0.84 0.84 0.84 0.80 The number of students who attended in the first group was The number of…

In a study of 1050 adults, 175 out of the 650 women in the study said that they prefered driving an SUV to driving a compact car. What is the approximate percentage of study participants that are wormen who prefer driving a compact car? O 61.9% O 26.9% O 45.2% O 73.1%

The second slide is the first part of the question  and the first slide is the second part of the question.

A recent study has shown that approximately 31.6% of Canadians are considered 'supertasters,' or people who experience the sense of taste with greater intensity than average. Consider a sample of 23 Canadians, each of whom are asked to indicate if they are a supertaster or not. Please use this information to answer the following questions.a. How many of the Canadians sampled can we expect to be supertasters?Answer:_______people. Round to at least FOUR digits after the decimal if necessary. b. What is the standard deviation of the number of people sampled who are supertasters?Answer:______people. Round to at least FOUR digits after the decimal if necessary.

A random sample of 200 new vehicle buyers were asked to respond to a survey about what kind of vehicle they purchased.  One question, summarized in the table below, asked each respondent to choose the vehicle that best described the type of vehicle that they purchased.  The vehicle choices were car, pick-up, sport utility vehicle, van, or other.     Car Truck SUV Van Other Total Male 34 14 30 21 13 112 Female 37 3 23 17 8 88 Total 71 17 53 38 21 200   If one person is chosen randomly from the group, what is the probability that the person was male and bought a car? If one person is chosen randomly from the group, what is the probability that the person purchased an SUV or a pick-up truck? Find the probability that a randomly chosen female buyer bought a van.

2) In a survey, 130 respondents in a town were interviewed regarding their marital status. Of these 130 respondents, 50 are men. 20 women out of 34 respondents are still single. 16 out of 50 men are married with children. 36 respondents are married with no children of whom 24 are women. 8 men out of 14 respondents are divorced. Tabulate the given data.

Each person in a representative sample of 448 college students age 18 to 24 was classified according to age and to the response to the following question: "How often have you used a credit card to buy items knowing you wouldn't have money to pay the bill when it arrived?" Possible responses were never, rarely, sometimes, or frequently. The responses are summarized in the table. Age 18 to 20 Age 21 to 22 Age 23 to 24 Never 70 62 29 Rarely 38 34 32 Sometimes 33 42 40 Frequently 12 24 32 A USE SALT Do these data provide evidence that there is an association between age group and the response to the question? Test the relevant hypotheses using a = 0.01. State the appropriate null and alternative hypotheses. Ho: The proportions falling into each of the three age groups are the same for all four responses to the question. The proportions falling into each of the three age groups are not the same for all four responses to the question. Ho: There is an association between age group and the…

) If we randomly sample 1,000 people from a large population, and ask them a yes-no question, what can we say about the relationship between p (the proportion of people who answer "yes" in the sample of 1,000) and p (the proportion of people who answer “yes" in the entire population)?