Employees at an engineering firm were sampled and the following probability data was collected on how...
Employees at an engineering firm were sampled and the following probability data was collected on how many days per week they work.
| Days | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Probability | 0.02 | 0.05 | 0.10 | 0.12 | 0.60 | 0.10 | 0.01 |
1. If an employee is selected at random from this company, what is the probability that they work less than five days per week?
2. What is the expected value of the number of days per week worked by an employee at this engineering firm.
Homework Answers
Add Answer to:
Employees at an engineering firm were sampled and the following
probability data was collected on how...
Question 12 A government agency has 600 employees. The employees were asked whether they preferred a...
Question 12 A government agency has 600 employees. The employees were asked whether they preferred a four-day work week (10 hours pe! information on the employees' responses broken down by gender. Four days (A) Five days (B) Flexible (C) Total Male (M) 100 400 100 600 Female (F) 200 500 700 1400 Total 300 900 800 2000 What is the probability that a randomly selected employee is male? b. A randomly selected employee turns out to be male. Compute the...
Employers want to know which days of the week employees are absent in a five-day work...
Employers want to know which days of the week employees are absent in a five-day work week. Most employers would like to believe that employees are absent equally during the week. Suppose a random sample of 70 managers were asked on which day of the week they had the highest number of employee absences. The results were distributed as in Table. For the population of employees, do the days for the highest number of absences occur with equal frequencies during...
Employers want to know which days of the week employees are absent in a five-day work...
Employers want to know which days of the week employees are
absent in a five-day work week. Most employers would like to
believe that employees are absent equally during the week. Suppose
a random sample of 91 managers were asked on which day of the week
they had the highest number of employee absences. The results were
distributed as in Table. For the population of employees, do the
days for the highest number of absences occur with equal
frequencies during...
Q 3 Are employees who work more hours per week less satisfied with their job? Data...
Q 3
Are employees who work more hours per week less satisfied with
their job? Data was collected from a random sample of 22 employees
at a company on the following variables:
Job satisfaction (measures 0 to 100)
Total hours worked per week
Coefficients
Standard Error
intercept
120.7223
16.8721
X variable 1
-1.2033
0.3188
(a)Construct a 95% confidence interval estimate of the
population mean job satisfaction for employees who works 55 hours
per week. The sample mean total hours worked...
Projects inc. is an engineering firm with approximately 50 employees A database is required to keep...
Projects inc. is an engineering firm with approximately 50 employees A database is required to keep track of all employees, their skills, projects assigned and departments worked in. Every employee has a unique number assigned by the firm, required to store her or his name and data of birth. If an employee is currentty married to another employee of Projects tnc. the data of the marriage and who the employee is married to must be stored. Howeer no record of...
1 # of No-Probability of No- Shows Shows occurring (d) P(d) 0 0.07 0.07 2 0.10...
1 # of No-Probability of No- Shows Shows occurring (d) P(d) 0 0.07 0.07 2 0.10 3 0.02 4 0.12 5 0.01 6 0.04 7 0.19 8 0.16 9 0.22 a) What would be your recommendation for overbooking if the average rate per room per night is $145 and the cost of not honoring a reservation is $205? b) What is the expected loss for your overbooking choice?
help please ? Searc 1 # of No- Probability of No- Shows Shows occurring (d) P(d)...
help please ?
Searc 1 # of No- Probability of No- Shows Shows occurring (d) P(d) 0 0.07 0.07 2 0.10 3 0.02 4 0.12 5 0.01 6 0.04 7 0.19 8 0.16 9 0.22 a) What would be your recommendation for overbooking if the average rate per room per night is $145 and the cost of not honoring a reservation is $205? b) What is the expected loss for your overbooking choice?
Question 4: Let X and Y be two discrete random variables with the following joint probability...
Question 4: Let X and Y be two discrete random variables with the following joint probability distribution (mass) function Pxy(x, y): a) Complete the following probability table: Y 2 f(x)=P(X=x) 1 3 4 0 0 0.08 0.06 0.05 0.02 0.07 0.08 0.06 0.12 0.05 0.03 0.06 0.05 0.04 0.03 0.01 0.02 0.03 0.04 2 3 foy)=P(Y=y) 0.03 b) What is P(X s 2 and YS 3)? c) Find the marginal probability distribution (mass) function of X; [f(x)]. d) Find the...
Can you help me with the binomial probability distribution? Please see instructions in the two images....
Can you help me with the binomial probability distribution?
Please see instructions in the two images. Thank you.
Binomial Probability Distribution 1. Explain in your own words the importance of studying the binomial probability distribution. 2. Next, the probability distribution of a random variable is presented x. 20 25 30 35 f(x) 0.38 0.10 0.15 0.37 a) What is presented in the table, is it a probability distribution? Explain. b) What is the probability that x = 35? c) What...
1. If a random employee is chosen, the probability of selecting an employee who tests positive...
1. If a random employee is chosen, the probability of selecting an employee who tests positive or who uses drugs is 2. If two employees are selected without replacement of those who use drugs, the probability that the first person selected had a result test positive and the second person had a negative test result is 3. If two employees are selected with replacement for those who use drugs, the probability that the first person selected had a negative test...
Question 12 A government agency has 600 employees. The employees were asked whether they preferred a four-day work week (10 hours pe! information on the employees' responses broken down by gender. Four days (A) Five days (B) Flexible (C) Total Male (M) 100 400 100 600 Female (F) 200 500 700 1400 Total 300 900 800 2000 What is the probability that a randomly selected employee is male? b. A randomly selected employee turns out to be male. Compute the...
Employers want to know which days of the week employees are
absent in a five-day work week. Most employers would like to
believe that employees are absent equally during the week. Suppose
a random sample of 91 managers were asked on which day of the week
they had the highest number of employee absences. The results were
distributed as in Table. For the population of employees, do the
days for the highest number of absences occur with equal
frequencies during...
Q 3
Are employees who work more hours per week less satisfied with
their job? Data was collected from a random sample of 22 employees
at a company on the following variables:
Job satisfaction (measures 0 to 100)
Total hours worked per week
Coefficients
Standard Error
intercept
120.7223
16.8721
X variable 1
-1.2033
0.3188
(a)Construct a 95% confidence interval estimate of the
population mean job satisfaction for employees who works 55 hours
per week. The sample mean total hours worked...
Projects inc. is an engineering firm with approximately 50 employees A database is required to keep track of all employees, their skills, projects assigned and departments worked in. Every employee has a unique number assigned by the firm, required to store her or his name and data of birth. If an employee is currentty married to another employee of Projects tnc. the data of the marriage and who the employee is married to must be stored. Howeer no record of...
1 # of No-Probability of No- Shows Shows occurring (d) P(d) 0 0.07 0.07 2 0.10 3 0.02 4 0.12 5 0.01 6 0.04 7 0.19 8 0.16 9 0.22 a) What would be your recommendation for overbooking if the average rate per room per night is $145 and the cost of not honoring a reservation is $205? b) What is the expected loss for your overbooking choice?
help please ?
Searc 1 # of No- Probability of No- Shows Shows occurring (d) P(d) 0 0.07 0.07 2 0.10 3 0.02 4 0.12 5 0.01 6 0.04 7 0.19 8 0.16 9 0.22 a) What would be your recommendation for overbooking if the average rate per room per night is $145 and the cost of not honoring a reservation is $205? b) What is the expected loss for your overbooking choice?
Question 4: Let X and Y be two discrete random variables with the following joint probability distribution (mass) function Pxy(x, y): a) Complete the following probability table: Y 2 f(x)=P(X=x) 1 3 4 0 0 0.08 0.06 0.05 0.02 0.07 0.08 0.06 0.12 0.05 0.03 0.06 0.05 0.04 0.03 0.01 0.02 0.03 0.04 2 3 foy)=P(Y=y) 0.03 b) What is P(X s 2 and YS 3)? c) Find the marginal probability distribution (mass) function of X; [f(x)]. d) Find the...
Can you help me with the binomial probability distribution?
Please see instructions in the two images. Thank you.
Binomial Probability Distribution 1. Explain in your own words the importance of studying the binomial probability distribution. 2. Next, the probability distribution of a random variable is presented x. 20 25 30 35 f(x) 0.38 0.10 0.15 0.37 a) What is presented in the table, is it a probability distribution? Explain. b) What is the probability that x = 35? c) What...
1. If a random employee is chosen, the probability of selecting an employee who tests positive or who uses drugs is 2. If two employees are selected without replacement of those who use drugs, the probability that the first person selected had a result test positive and the second person had a negative test result is 3. If two employees are selected with replacement for those who use drugs, the probability that the first person selected had a negative test...
Most questions answered within 3 hours.
-
A 1500 kg car drives around a flat circular track at a constant
speed of 75...
asked 16 minutes ago -
The operations manager of a mail order house purchases double
(D) and twin (T) beds for...
asked 1 hour ago -
Maths
asked 1 hour ago -
Maths
asked 1 hour ago -
1. You have genotyped an entire population of lab mice for a
single locus (let's label...
asked 2 hours ago -
As part of the process for improving the quality of their cars,
Toyota engineers have identified...
asked 2 hours ago -
What is the relationship between the number of coils in a
solenoid and the emf induced...
asked 3 hours ago -
cell in human body reproduces. what process does it use? describe
the steps in the cell...
asked 4 hours ago -
The cheetah is one of the fastest accelerating animals, for it
can go from rest to...
asked 5 hours ago -
CaCO3 (s) ⇌ CaO (s) + CO2 (g)
At 637 °C, the reaction reaches equilibrium.
If...
asked 6 hours ago -
The condensate from a steam distillation contains 12.0 g of
compound A and 18.0 g of...
asked 9 hours ago -
A major economic benefit of fixed exchange rates compared to
floating rates is that
a. the...
asked 9 hours ago