Use your completed table from part 4b to find the probability that a student correctly answers...
Use your completed table from part 4b to find the probability that a student correctly answers at least one question correctly on the pop quiz. Show your calculations for the answer.
|
Number Correct |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
|
Probability |
0.1001 |
0.2670 |
0.3114 |
0.2076 |
0.0865 |
0.0231 |
0.0038 |
0.0004 |
0.0000 |
Calculate the mean and standard deviation of this probability distribution. Show your work using the binomial mean and standard deviation formulas and provide your answers with units (rounded to three decimal places)
Homework Answers
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Use your completed
table from part 4b to find the probability that a student correctly
answers...
we use those 2informations to do the following questions 0 Restaurant Data Probability of Correct Order...
we use those 2informations to do the following questions
0 Restaurant Data Probability of Correct Order at Restaurant B Data Sample size Probability of an event of interest 0.875 Parameters Mean 2.625 Variance 0.3281 Standard Deviation 0.5728 Binomial Probabilities Table X P(X) P(X) P[<X) P(X) P(2X) 0 0.0020 00020 0.0000 0.9980 1.0000 1 0.0410 430 0.0020 0.9570 0.9980 2 0.2871 0.3301 0.0430 0.6699 0.9570 3 0.6699 1.0000 0.3301 0.0000 0.6699 Probability of Correct Order at Restaurant C Probability of Correct...
1. The following probability distribution represents the number of people living in a Household (X), and...
1. The following probability distribution represents the number of people living in a Household (X), and the probability of occurrence (P(X)). Compute the Expected Value (mean), the Variance and the Standard Deviation for this random variable. Show Your Calculations for the Mean. X 1 2 3 4 5 P(X) .33 .29 .27 .07 .04 2. Use the binomial formula to compute the probability of a student getting 8 correct answers on a 10...
Show the formulas and functions you use to obtain your answers and give your answers to four significant figures In genetics, two hybrid parents each with one dominant and one recessive gene for some...
Show the formulas and functions you use to obtain your answers and give your answers to four significant figures In genetics, two hybrid parents each with one dominant and one recessive gene for some trait) should produce 75% of their offspring with the dominant trait (25% pure, 50% hybr id) and 25% with the recessive trait. Consider 400 offspring of a pair of hybrid laboratory plants and use the binomial distribution until asked to do otherwise What is the expeoted...
The probability that a California college student is on Instagram is 75%. Suppose that you selected...
The probability that a California college student is on Instagram is 75%. Suppose that you selected 20 California college students at random. Use this information to answer the following questions. a. Is this a binomial distribution? Explain how you know, be specific and reference the problem information to show that it is a binomial. Just giving the requirements is not sufficient. b. What is the probability that exactly 13 students would have Instagram? Show your probability notation. You do not...
Find the mean and standard deviation of the given probability distribution. Round your answers to 2...
Find the mean and standard deviation of the given probability distribution. Round your answers to 2 places after the decimal point, if necessary. x P (x) 0 0.05 3 0.27 4 0.3 6 0.2 7 0.18 Mean = Standard deviation =
Please help me verify if these answers are correct, if not answer them correctly. A sociologist...
Please help me verify if these answers are correct, if not
answer them correctly.
A sociologist randomly selects single adults for different groups of three, and the random variable x is the number in the group who say that the most fun way to flirt is in person. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not...
need answers!!! i Find the indicated probability by using the complementation rule. 13) The age distribution...
need answers!!!
i Find the indicated probability by using the complementation rule. 13) The age distribution of students at a community college ls Ewer 13) Under 21 21-24 25-28 29-32 33-36 37-40 Over 40 144 102 85 1457 A student from the community college is selected at random. Find the student is under probability that the 37 years old. Give your answer as a decimal rounded to three decimal places A) 0.070 B) 0.034 C) 0.092 D) 0.908 Find the...
We can now use the Standard Normal Distribution Table to find the probability P(-0.25 sz s...
We can now use the Standard Normal Distribution Table to find the probability P(-0.25 sz s 1). 0.05 0.06 0.07 0.08 0.09 -0.2 0.4013 0.3974 0.3936 0.3897 0.3859 0.00 0.01 0.02 0.03 0.04 Using these 1.0 0.8413 0.8438 0.8461 0.8485 0.8531 The table entry for z = -0.25 is 0.00 and the table entry for z = 1 is values to calculate the probability gives the following result. PC-0.25 sz s 1) P(Z < 1) - P(Z 5 -0.25) 10....
Math 6 SL Probability Distributions Practice Test Questions
Let X be normally distributed with mean 100 cm and standard deviation 5 cm.
(a) On the diagram below, shade the region representing P(X > 105).
(2)
(b) Given that P(X < d) = P(X > 105), find the value of d.
(2)
(c) Given that P(X > 105) = 0.16 (correct to two significant figures), find P(d < X < 105).
(2)
(Total 6 marks)
2. A test has five questions. To pass the test, at least three of...
Assignment Questions Answer each question completely and send your work back to your instructor. Show all...
Assignment Questions Answer each question completely and send your work back to your instructor. Show all work. Justify your answers clearly and completely with formulas and numerical solutions. Showing your work will allow your instructor to give you partial credit if you make a mistake but show that you still understand the problem. 1. In a survey, 600 mothers and fathers were asked about the importance of sports for boys and girls. Of the parents interviewed, 70% said the genders...
we use those 2informations to do the following questions
0 Restaurant Data Probability of Correct Order at Restaurant B Data Sample size Probability of an event of interest 0.875 Parameters Mean 2.625 Variance 0.3281 Standard Deviation 0.5728 Binomial Probabilities Table X P(X) P(X) P[<X) P(X) P(2X) 0 0.0020 00020 0.0000 0.9980 1.0000 1 0.0410 430 0.0020 0.9570 0.9980 2 0.2871 0.3301 0.0430 0.6699 0.9570 3 0.6699 1.0000 0.3301 0.0000 0.6699 Probability of Correct Order at Restaurant C Probability of Correct...
Show the formulas and functions you use to obtain your answers and give your answers to four significant figures In genetics, two hybrid parents each with one dominant and one recessive gene for some trait) should produce 75% of their offspring with the dominant trait (25% pure, 50% hybr id) and 25% with the recessive trait. Consider 400 offspring of a pair of hybrid laboratory plants and use the binomial distribution until asked to do otherwise What is the expeoted...
The probability that a California college student is on Instagram is 75%. Suppose that you selected 20 California college students at random. Use this information to answer the following questions. a. Is this a binomial distribution? Explain how you know, be specific and reference the problem information to show that it is a binomial. Just giving the requirements is not sufficient. b. What is the probability that exactly 13 students would have Instagram? Show your probability notation. You do not...
Please help me verify if these answers are correct, if not
answer them correctly.
A sociologist randomly selects single adults for different groups of three, and the random variable x is the number in the group who say that the most fun way to flirt is in person. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not...
need answers!!!
i Find the indicated probability by using the complementation rule. 13) The age distribution of students at a community college ls Ewer 13) Under 21 21-24 25-28 29-32 33-36 37-40 Over 40 144 102 85 1457 A student from the community college is selected at random. Find the student is under probability that the 37 years old. Give your answer as a decimal rounded to three decimal places A) 0.070 B) 0.034 C) 0.092 D) 0.908 Find the...
We can now use the Standard Normal Distribution Table to find the probability P(-0.25 sz s 1). 0.05 0.06 0.07 0.08 0.09 -0.2 0.4013 0.3974 0.3936 0.3897 0.3859 0.00 0.01 0.02 0.03 0.04 Using these 1.0 0.8413 0.8438 0.8461 0.8485 0.8531 The table entry for z = -0.25 is 0.00 and the table entry for z = 1 is values to calculate the probability gives the following result. PC-0.25 sz s 1) P(Z < 1) - P(Z 5 -0.25) 10....
Assignment Questions Answer each question completely and send your work back to your instructor. Show all work. Justify your answers clearly and completely with formulas and numerical solutions. Showing your work will allow your instructor to give you partial credit if you make a mistake but show that you still understand the problem. 1. In a survey, 600 mothers and fathers were asked about the importance of sports for boys and girls. Of the parents interviewed, 70% said the genders...
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