Homework Answers
here we are given that
total students =24, n(psy)=8 ,n(nursing major)=3, n(accou)=13
p(nursing and second is accountong)=(3/24)*(13/23)=0.071
8 10 11 12 13 14 OC Suppose that a certain college class contains 58 students....
8 10 11 12 13 14 OC Suppose that a certain college class contains 58 students. Of these, 28 are sophomores, 36 are social science majors, and 10 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a sophomore and a social science major? (1) Given that the student selected is a social science major, what is the probability that he is also a sophomore? Write your responses...
5 9 10 11 12 13 14 A university's leadership council is made up of 13...
5 9 10 11 12 13 14 A university's leadership council is made up of 13 members: 4 are students, 5 are teachers, and 4 are deans. A newspaper reporter is planning to select two of the council members for interviews. The first member will be chosen at random, and then the second member will be chosen at random from the remaining members. What is the probability that two teachers will be selected? Report your answer as an exact fraction....
A sample of 271 students at a university is surveyed. The students are classified according to...
A sample of 271 students at a university is surveyed. The students are classified according to gender ("female" or "male"). They are also dassified according to major (biology", "business", "engineering". "mathematics", or "computer science"). The results are given in the contingency table below. Biology Business Engineering Mathematics Computer science Female 31 18 25 22 24 Male 21 23 21 8 08 38 18 What is the relative frequency of female students in the sample? Round your answer to two decimal...
A box has 15 candies in it: 4 are taffy, 3 are butterscotch, and 8 are...
A box has 15 candies in it: 4 are taffy, 3 are butterscotch, and 8 are peppermint Josh wants to select two candies to eat for dessert. The first candy will be selected at random, and then the second candy will be selected at random from the remaining candies. What is the probability that the two candies selected are butterscotch? Do not round your intermediate computations. Round your final answer to three decimal places
A box has 18 candies in it: 7 are peppermint, 4 are taffy, and 7 are...
A box has 18 candies in it: 7 are peppermint, 4 are taffy, and 7 are butterscotch. Chau wants to select two candies to eat for dessert. The first candy will be selected at random, and then the second candy will be selected at random from the remaining candies. What is the probability that the two candies selected are peppermint? Do not round your intermediate computations. Round your final answer to three decimal places.
3 7 8 9 10 11 12 13 The manufacturer of a fertilizer guarantees that, with...
3 7 8 9 10 11 12 13 The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 75% of planted seeds will germinate. Suppose the manufacturer is correct. If 6 seeds planted with the fertilizer are randomly selected, what is the probability that more than 4 of them germinate? Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places. (If necessary, consult a list of formulas.)
In a study of memory recall, 8 students from a large psychology class were selected at...
In a study of memory recall, 8 students from a large psychology class were selected at random and given 10 minutes to memorize a list of 20 nonsensical words. Each was asked to list as many of the words as he or she could remember both 1 hour and 24 hours later. The data are as shown in the accompanying table B Student 1 2 3 4 5 6 7 1 hour later 15 13 10 12 15 24 hours...
3 5 P 6 7 8 10 11 12 13 14 An urn contains 10 red...
3 5 P 6 7 8 10 11 12 13 14 An urn contains 10 red balls and 7 yellow balls. If Juan chooses 5 balls at random from the urn, what is the probability that he will select 2 red balls and 3 yellow balls? Round your answer to 3 decimal places. (If necessary, consult a list of formulas.) X Submit Assignment Suppose that the TSH (Thyroid Stimulating Hormone) levels among healthy individuals are normally distributed with a mean...
The table below shows the number of male and female students enrolled in nursing at a university for a certain semester A student is parts (a) through (d) selected at random. Complete Tota...
The table below shows the number of male and female students enrolled in nursing at a university for a certain semester A student is parts (a) through (d) selected at random. Complete Total 1108 2321 3429 Nursing majors Non-nursing majors 1013 1721 2734 Males Females Total 95 600 696 (a) Find the probability that the student is male or a nursing major. P(being male or being nursing major) Round to the nearest thousandth as needed) b) Find the probability that...
✓2 ✓5 6 8 10 11 A worldwide organization of academics claims that the mean IQ...
✓2 ✓5 6 8 10 11 A worldwide organization of academics claims that the mean IQ score of its members is 115, with a standard deviation of 16. A randomly selected group of 35 members of this organization is tested, and the results reveal that the mean 1 score in this sample is 116.4. If the organization's claim is correct, what is the probability of having a sample mean of 1164 or less for a random sample of this size?...
8 10 11 12 13 14 OC Suppose that a certain college class contains 58 students. Of these, 28 are sophomores, 36 are social science majors, and 10 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a sophomore and a social science major? (1) Given that the student selected is a social science major, what is the probability that he is also a sophomore? Write your responses...
5 9 10 11 12 13 14 A university's leadership council is made up of 13 members: 4 are students, 5 are teachers, and 4 are deans. A newspaper reporter is planning to select two of the council members for interviews. The first member will be chosen at random, and then the second member will be chosen at random from the remaining members. What is the probability that two teachers will be selected? Report your answer as an exact fraction....
A sample of 271 students at a university is surveyed. The students are classified according to gender ("female" or "male"). They are also dassified according to major (biology", "business", "engineering". "mathematics", or "computer science"). The results are given in the contingency table below. Biology Business Engineering Mathematics Computer science Female 31 18 25 22 24 Male 21 23 21 8 08 38 18 What is the relative frequency of female students in the sample? Round your answer to two decimal...
A box has 15 candies in it: 4 are taffy, 3 are butterscotch, and 8 are peppermint Josh wants to select two candies to eat for dessert. The first candy will be selected at random, and then the second candy will be selected at random from the remaining candies. What is the probability that the two candies selected are butterscotch? Do not round your intermediate computations. Round your final answer to three decimal places
A box has 18 candies in it: 7 are peppermint, 4 are taffy, and 7 are butterscotch. Chau wants to select two candies to eat for dessert. The first candy will be selected at random, and then the second candy will be selected at random from the remaining candies. What is the probability that the two candies selected are peppermint? Do not round your intermediate computations. Round your final answer to three decimal places.
3 7 8 9 10 11 12 13 The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 75% of planted seeds will germinate. Suppose the manufacturer is correct. If 6 seeds planted with the fertilizer are randomly selected, what is the probability that more than 4 of them germinate? Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places. (If necessary, consult a list of formulas.)
In a study of memory recall, 8 students from a large psychology class were selected at random and given 10 minutes to memorize a list of 20 nonsensical words. Each was asked to list as many of the words as he or she could remember both 1 hour and 24 hours later. The data are as shown in the accompanying table B Student 1 2 3 4 5 6 7 1 hour later 15 13 10 12 15 24 hours...
3 5 P 6 7 8 10 11 12 13 14 An urn contains 10 red balls and 7 yellow balls. If Juan chooses 5 balls at random from the urn, what is the probability that he will select 2 red balls and 3 yellow balls? Round your answer to 3 decimal places. (If necessary, consult a list of formulas.) X Submit Assignment Suppose that the TSH (Thyroid Stimulating Hormone) levels among healthy individuals are normally distributed with a mean...
The table below shows the number of male and female students enrolled in nursing at a university for a certain semester A student is parts (a) through (d) selected at random. Complete Total 1108 2321 3429 Nursing majors Non-nursing majors 1013 1721 2734 Males Females Total 95 600 696 (a) Find the probability that the student is male or a nursing major. P(being male or being nursing major) Round to the nearest thousandth as needed) b) Find the probability that...
✓2 ✓5 6 8 10 11 A worldwide organization of academics claims that the mean IQ score of its members is 115, with a standard deviation of 16. A randomly selected group of 35 members of this organization is tested, and the results reveal that the mean 1 score in this sample is 116.4. If the organization's claim is correct, what is the probability of having a sample mean of 1164 or less for a random sample of this size?...
Most questions answered within 3 hours.
-
3. Gains from trade
Consider two neighbouring island countries called Euphoria and
Contente. They each have...
asked 13 minutes ago -
A business executive has the option to invest money in two
plans: Plan A guarantees that...
asked 2 hours ago -
Hello, can someone please help me answer this question?
How much heat is absorbed by a...
asked 2 hours ago -
. A marketing researcher conducted a survey of 25 shoppers
randomly selected at the local mall...
asked 2 hours ago -
Create an comprehensive response to the
following:
Antimicrobial agents work on a multitude of microbes (bacteria,...
asked 2 hours ago -
6.13 LAB: Step counter. Section 6.3.
A pedometer treats walking 2,000 steps as walking 1 mile....
asked 2 hours ago -
(14.2) A block of mass m = 10 kg riding on a frictionless
horizontal plane is...
asked 2 hours ago -
Use any search engine to search for articles about Starbucks
partnership with Tata Companies in India...
asked 2 hours ago -
Let’s say that for some reason Bank Excess Reserves suddenly
increase sharply. What effect would this...
asked 2 hours ago -
Given:
Curent Assets: $600,000
Total Assets: $2,600,000
Current Liabilities: $500,000
Total Liabilities: $1,700,000
What is the...
asked 3 hours ago -
1. What is a “Bankster”? What is insider trading? Why is it
illegal?
2. What is...
asked 2 hours ago -
A transverse wave on a cord is given by
D(x,t)=0.18sin(2.7x−61.0t), where Dand x are in m...
asked 3 hours ago