Kimmy needs to select 3 students to take part in a survey from our class. (our...

Kimmy needs to select 3 students to take part in a survey from our class. (our class has 25 students total-20 female, 5 male)

a. how many ways can Kimmy select all male

b. how many ways can Kimmy select 3 males and 2 females?

Solutions

Expert Solution

orchestra answered 1 year ago

Next > < Previous

Related Solutions

65% of students in a class are from Asia. We select 8 students. What is the...

65% of students in a class are from Asia. We select 8 students. What is the chance that all 8 of them are from Asia? Select one: a. less than 1 percent chance b. 0.65 c. Not enough information is given d. 5.2 e. 0.032

Here are the height and shoe-size information from our class survey at the beginning of the...

Here are the height and shoe-size information from our class survey at the beginning of the quarter. Height (in inches) Shoe Size (US Womens) 66 10.5 64 7 67 7.5 65 7.5 64 9 68 7.5 74 14.5 67 9 72 11.5 66 7.5 64 7.5 65 8.5 72 13.5 63 8 66 8 60 8 67 7.5 I converted all our measurements so they were in the same units. Use technology to analyze these data as in Chapters 6,7,...

1. (10pts) Suppose from a class survey of 35 students, 6 students states they believe in...

1. (10pts) Suppose from a class survey of 35 students, 6 students states they believe in Bigfoot. Answer the following questions. (a) Obtain a point estimate for the population proportion of students that believe in Bigfoot. (b) Determine the critical value needed to construct a 98% confidence interval for the proportion of students that believe in Bigfoot. (c) Determine the standard error estimate (SE-est) for the confidence interval. (d) Construct a 98% confidence interval for the proportion of students that...

::Here is data:: about students in our class showing what country they are from and their...

::Here is data:: about students in our class showing what country they are from and their opinion about pineapple on pizza. https://docs.google.com/spreadsheets/u/3/d/1a5nXmzTGaF_knVmvDkOrSQhpRfEp6edUXm1e7Ze-1_M/edit?usp=sharing Conduct a hypothesis test to compare the proportion of Shoreline students who love pineapple on pizza (answered “YEAH!” on the survey) who are from Asia and the proportion of students who love pineapple on pizza who are from North America. For each of the steps below, explain your work in words, symbols, and pictures. Write the null and...

From a survey of 282 McMaster students, you find that 52% take the bus to McMaster...

From a survey of 282 McMaster students, you find that 52% take the bus to McMaster every day. Construct an approximate 99% confidence interval for the true proportion p and report the lower limit of the interval (assume z0.005=2.58).

Exercise 3. In a class survey, students are asked how many hours they sleep per night....

Exercise 3. In a class survey, students are asked how many hours they sleep per night. In the sample of 22 students, the (sample) mean is 6.77 hours with a (sample) standard deviation of 1.472 hours. We wish to know if this shows that the class’s student population on average has not gotten at least the recommended 8 hours of sleep at the α = .1 level. The distribution of sleep for this population follows a normal distribution. a. Write...

A preliminary survey shows that 33% of college students smoke. In a class of 43 students,...

A preliminary survey shows that 33% of college students smoke. In a class of 43 students, what is the probability that more than 48% of the students smoke? Use Appendix B.1 for the z-values. (Round the z-value to 2 decimal places and the final answer to 4 decimal places.) Probability

At a large university, freshmen students are required to take an introduction to writing class. Students...

At a large university, freshmen students are required to take an introduction to writing class. Students are given a survey on their attitudes towards writing at the beginning and end of class. Each student receives a score between 0 and 100 (the higher the score, the more favorable the attitude toward writing). The scores of nine different students from the beginning and end of class are shown below. Use the Wilcoxon signed-rank test to check at a 5% significance level...

2. According to survey data collected from 500 students in a recent Statistics class, the histogram...

2. According to survey data collected from 500 students in a recent Statistics class, the histogram for the number of hours of sleep they typically got per night is close to the normal curve with an average of 6.5 hours and a SD of 1.4 hours. a) Find percentage of students who sleep between 7 and 8 hours b) A student who sleeps 7 hours per night is at the _______th percentile of the score distribution c) Find the first...

1.According to survey data collected from 500 students in a recent Stat class, the histogram for...

1.According to survey data collected from 500 students in a recent Stat class, the histogram for the number of hours of sleep they typically got per night is close to the normal curve with an average of 6.3 hours and a SD of 1.4 hours. a) Find percentage of students who sleep between 7 and 8 hours b) A student who sleeps only 5 hours per night is at the _______th percentile of the score distribution 2.Consider the following set...

Subjects