Homework Answers
It is general probability distribution problem.
Add Answer to:
please stop posting the wrong answers
Variance Standard deviation Variance Standard deviation Chapter 5 The number...
What are the expected value, variance and standard deviation of the following probability distribution? Number of...
What are the expected value, variance and standard deviation of the following probability distribution? Number of Offices Proportion of Students p(X) 0 0.08 1 0.288 2 0.367 3 0.122 4 0.081 5 0.054 6 0.008 E(x) Var(x)
2. At a large university the administration is studying the number of courses a student takes. Le...
2. At a large university the administration is studying the number of courses a student takes. Let X equal the number of courses for which a randomly selected student is registered. The probability mass function (pmf) is given as follos: X 2 3 4 5 6 7 p(x).01 03 13 .25 .39 .17 .02 a. What is the expected number of courses a student will take? What is the standard deviation? b. If students pay $500 per courses plus a...
1. Find the mean, the variance and standard deviation. The number of dogs per household in...
1. Find the mean, the variance and standard deviation. The number of dogs per household in a small town. Dog: 0, 1, 2, 3, 4, 5 P( x): 686, 195, 077, 022, 013. 007 2. Score (x): 1, 2, 3, 4, 5 Frequencies: 24, 33,42, 30, 21 A. Construct a discrete probability distribution B. Find the mean, the variance and the standard deviation.
Assume that any student has a 25% chance of getting into a certain college. Let the random variable X denote the number of students (from a total of 5 students who apply) who get into the school. For...
Assume that any student has a 25% chance of getting into a certain college. Let the random variable X denote the number of students (from a total of 5 students who apply) who get into the school. For the following problems do not use calculator commands. a. What are the parameters n and p for the distribution? b. What is the expected number of students (out of the 5) who will be accepted to the school? c. Find the standard...
can you find the standard deviation and variance please ? 2 3 4 5 6 7...
can you find the standard deviation and variance
please
? 2 3 4 5 6 7 8 9 10 11 12 13 14 15 > Question 1 of 15 (1 point) Attempt 1 of 1 | View question in a popup 039m 54s Remaining 5.2 Section Pizza Deliveries A pizza shop owner determines the number of pizzas that are delivered each day. Number of deliveries X 36 37 0.2 38 0.3 Probability P(x) 39 0.3 40 0.1 0.1 Send data...
problems 4, 5, 6, 11 and 13 If the population standard deviation was doubled to 10.4...
problems 4, 5, 6, 11 and 13
If the population standard deviation was doubled to 10.4 and the level of confidence remained at 90%, what would be the new margin of error and confidence interval Margin of error, E. Confidence interval: 20.11<x<34.31 O Did the confidence interval increase or decrease and why? increase 4. Definition of Confidence Intervals (Section 6.1) Circle your answer, True of False. • A 99% confidence interval means that there is a 99% probability that the...
Dropdown options: 1-risk/return 2-equal to/greater or less than 3-self contained/stand-alone 4-variance/standard deviation 5-variance/beta coefficient 6-diversifiable/non-diversiable 7-is/...
Dropdown options:
1-risk/return
2-equal to/greater or less than
3-self contained/stand-alone
4-variance/standard deviation
5-variance/beta coefficient
6-diversifiable/non-diversiable
7-is/ is not
8-diversifiable/non-diversifiable
9-random/non random
10-decreasing/increasing
11-2000+/500
12-reduces/increases
13-systematic of market/unsystematic or company-specific
14-diversifiable/non diversifiable
1. Basic concepts - Risk and return Professor Isadore (Izzy) Invest-a-Lot retired two years ago from Exceptional College, a small liberal arts college in North Carolina after teaching corporate finance and investment theory for 35 years. Yesterday, Izzy appear on EC LIVE, a television show produced for the students,...
i need help on question 3 to 22 please. Midterm ex review. MATH 101 Use the...
i need help on question 3 to 22 please.
Midterm ex review. MATH 101 Use the following information to answer the next four exercises. The midterm grades on a chemistry exam, graded on a scale of 0 to 100, were: 62, 64, 65, 65, 68, 70, 72, 72, 74, 75, 75, 75, 76,78, 78, 81, 82, 83, 84, 85, 87, 88, 92, 95, 98, 98, 100, 100,740 1. Do you see any outliers in this data? If so, how would...
2. At a large university the administration is studying the number of courses a student takes. Let X equal the number of courses for which a randomly selected student is registered. The probability mass function (pmf) is given as follos: X 2 3 4 5 6 7 p(x).01 03 13 .25 .39 .17 .02 a. What is the expected number of courses a student will take? What is the standard deviation? b. If students pay $500 per courses plus a...
can you find the standard deviation and variance
please
? 2 3 4 5 6 7 8 9 10 11 12 13 14 15 > Question 1 of 15 (1 point) Attempt 1 of 1 | View question in a popup 039m 54s Remaining 5.2 Section Pizza Deliveries A pizza shop owner determines the number of pizzas that are delivered each day. Number of deliveries X 36 37 0.2 38 0.3 Probability P(x) 39 0.3 40 0.1 0.1 Send data...
problems 4, 5, 6, 11 and 13
If the population standard deviation was doubled to 10.4 and the level of confidence remained at 90%, what would be the new margin of error and confidence interval Margin of error, E. Confidence interval: 20.11<x<34.31 O Did the confidence interval increase or decrease and why? increase 4. Definition of Confidence Intervals (Section 6.1) Circle your answer, True of False. • A 99% confidence interval means that there is a 99% probability that the...
Dropdown options:
1-risk/return
2-equal to/greater or less than
3-self contained/stand-alone
4-variance/standard deviation
5-variance/beta coefficient
6-diversifiable/non-diversiable
7-is/ is not
8-diversifiable/non-diversifiable
9-random/non random
10-decreasing/increasing
11-2000+/500
12-reduces/increases
13-systematic of market/unsystematic or company-specific
14-diversifiable/non diversifiable
1. Basic concepts - Risk and return Professor Isadore (Izzy) Invest-a-Lot retired two years ago from Exceptional College, a small liberal arts college in North Carolina after teaching corporate finance and investment theory for 35 years. Yesterday, Izzy appear on EC LIVE, a television show produced for the students,...
i need help on question 3 to 22 please.
Midterm ex review. MATH 101 Use the following information to answer the next four exercises. The midterm grades on a chemistry exam, graded on a scale of 0 to 100, were: 62, 64, 65, 65, 68, 70, 72, 72, 74, 75, 75, 75, 76,78, 78, 81, 82, 83, 84, 85, 87, 88, 92, 95, 98, 98, 100, 100,740 1. Do you see any outliers in this data? If so, how would...
Most questions answered within 3 hours.
-
I need help with this question please. we preformed
EFFECT OF SUBSTITUENTS ON pKa OF CARBOXYLIC...
asked 5 minutes ago -
1. What are stored procedures?
2. What purpose do stored procedures serve?
3. Name and describe...
asked 10 minutes ago -
Calculate the slope of the plot of lnk vs. 1/T
for the reaction. Be sure to...
asked 11 minutes ago -
Suppose X is a random variable whose density is f(x) = cx(1 - x)
for 0...
asked 13 minutes ago -
Below is an ANOVA
summary table. Based on these data, would you follow this ANOVA up...
asked 14 minutes ago -
A golf ball rolls off a horizontal cliff with an initial speed
of 11.7 m/s. The...
asked 18 minutes ago -
1. An experiment was run where varying amounts of HClO and KClO
solutions were mixed and...
asked 30 minutes ago -
This is symbolized by a circle over a single line in an entity
relationship diagram. It...
asked 33 minutes ago -
National well-being can be measured using the Per-capita GDP
(per-capita) and the Human Development Index (HDI)....
asked 34 minutes ago -
A failure of an engine control unit causes it to fail an average
of 0.1 times...
asked 47 minutes ago -
A siren on an emergency car moving with velocity 90 km/hour
produces the sound with frequency...
asked 48 minutes ago -
Consider the schema below that models a bank’s branches,
customers and their accounts and loans. Provide...
asked 55 minutes ago