Question

Some adults were asked about their favorite ice cream and here are the results:       ...

Some adults were asked about their favorite ice cream and here are the results:
       Chocolate    Vanilla        Other
Male       123       98       79
Female    148       109       143
One adult is selected at random. Find the probability that he/she:
a. likes chocolate ice cream b. is female c. likes vanilla ice cream given that the adult is female d. is male given that they like chocolate ice cream e. is male and likes vanilla f. is female or likes chocolate g. is male or likes “other”   

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
In a survey, 25 students are asked if they like vanilla ice cream or chocolate ice...
In a survey, 25 students are asked if they like vanilla ice cream or chocolate ice cream. 14 students like vanilla flavor, 17 students like chocolate flavor, and 8 answer like both. (a) [1] What is the probability that a randomly selected student likes vanilla or chocolate flavor? (b) [1] What is the probability that a randomly selected student likes neither vanilla nor chocolate flavor? (c) [2] A student who likes chocolate ice cream is chosen at random, find the...
A new ice-cream brand is introduced by you to each customer entering the supermarket with Chocolate,...
A new ice-cream brand is introduced by you to each customer entering the supermarket with Chocolate, Vanilla and Strawberry flavours. After each customer tasted the ice-cream, 20% of them like Chocolate flavour, 44% like Vanilla flavour and other like Strawberry flavour. Among those customers like Chocolate flavour, 25% are males. 19% of all customers like Vanilla flavour and they are females. 10% of all customers like Strawberry flavour and they are males. You find the probability that a randomly selected...
A random sample of adults were asked about their education level and favorite leisure activity. The...
A random sample of adults were asked about their education level and favorite leisure activity. The results are recorded in the table below: Favorite Leisure Activity Education Level Outdoors Games Other Total High School 17 25 32 74 College 28 38 14 80 Graduate School 31 16 23 70 Total 76 79 69 224 Find the marginal distribution (in percents) for favorite leisure activity. Find the conditional distribution (in percents) of education level given that games were the favorite leisure...
The culinary herb cilantro is very polarizing: Some people love it and others hate it. A...
The culinary herb cilantro is very polarizing: Some people love it and others hate it. A large survey of 12,087 American adults of European ancestry asked whether they like or dislike the taste of cilantro. Here are the numbers of men and women in the study for each answer: Number of men Number of women Dislikes cilantro 1632 1549 Likes cilantro 5165 3741 1. What is the conditional probability that such an adult likes cilantro, given that the adult is...
A magazine provided results from a poll of 1500 adults who were asked to identify their...
A magazine provided results from a poll of 1500 adults who were asked to identify their favorite pie. Among the 1500 respondents, 14​% chose chocolate​ pie, and the margin of error was given as ±33 percentage points. Describe what is meant by the statement that​ "the margin of error was given as ±33 percentage​ points." A. The statement indicates that the study is 100%-3%=97% confident that the true population percentage of people that prefer chocolate pie is 14%. B. The...
A magazine provided results from a poll of 2000 adults who were asked to identify their...
A magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. Among the 2000 ​respondents, 11​% chose chocolate​ pie, and the margin of error was given as plus or minus5 percentage points. Describe what is meant by the statement that​ "the margin of error was given as plus or minus5 percentage​ points." Choose the correct answer below. A. The statement indicates that the true population percentage of people that prefer chocolate pie is...
A survey described the results of a poll of working adults in Canada. Each person in...
A survey described the results of a poll of working adults in Canada. Each person in a random sample was classified according to gender and the number of vacation days he or she usually took each year. The resulting data are summarized in the given table. Days of Vacation Gender Male Female None 51 42 1-5 21 25 6-10 67 79 11-15 105 94 16-20 71 70 21-25 82 58 More than 25 118 79 (a) Is it reasonable to...
magazine provided results from a poll of 500500 adults who were asked to identify their favorite...
magazine provided results from a poll of 500500 adults who were asked to identify their favorite pie. Among the 500500 ​respondents, 1111​% chose chocolate​ pie, and the margin of error was given as plus or minus±33 percentage points. What values do ModifyingAbove p with caretp​, ModifyingAbove q with caretq​, ​n, E, and p​ represent? If the confidence level is 9999​%, what is the value of alphaα​? The value of ModifyingAbove p with caretp is found from evaluating 1 minus ModifyingAbove...
A magazine provided results from a poll of 1000 adults who were asked to identify their...
A magazine provided results from a poll of 1000 adults who were asked to identify their favorite pie. Among the 1000 ​respondents,11​% chose chocolate​ pie, and the margin of error was given as plus or minus±5 percentage points. Given specific sample​ data, which confidence interval is​ wider: the 90​% confidence interval or the 80​% confidence​ interval? Why is it​ wider? Choose the correct answer below. A. A 90​% confidence interval must be wider than an 80​% confidence interval in order...
#46 In a survey of 2000 adults 50 years and older of whom 20% were retired...
#46 In a survey of 2000 adults 50 years and older of whom 20% were retired and 80% were pre-retired, the following question was asked: Do you expect your income needs to vary from year to year in retirement? Of those who were retired, 23% answered no, and 77% answered yes. Of those who were pre-retired, 28% answered no, and 72% answered yes. If a respondent in the survey was selected at random and had answered yes to the question,...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT