Assume that the time required to finish our MyStatLab Assignment #1 was normally distributed with a...
Assume that the time required to finish our MyStatLab Assignment #1 was normally distributed with a mean of 6 hours and a standard deviation of 2 hours. What is the probability that a student in our class spent exactly 5 hours on finishing her Assignment #1?
Homework Answers
Note that , for any continuous probability distribution
,
probability at a particular point x , 
.
continuous random variable has meaningful probability in intervals only .
So, Probability that a student will spent exactly 5 hours on finishing her Assignment 1 is theoritically 0 .
Add Answer to:
Assume that the time required to finish our MyStatLab Assignment
#1 was normally distributed with a...
The time required to complete a task is normally distributed with a mean of 30 minutes...
The time required to complete a task is normally distributed with a mean of 30 minutes and a standard deviation of 12 minutes. What is the probability of finishing the task in less than 28 minutes? 1) 5662 2) 9672 O3).0328 4).4338
Time to finish a final exam is normally distributed with mean 0.8 hours and standard deviation...
Time to finish a final exam is normally distributed with mean 0.8 hours and standard deviation 7 minutes. What is the first quartile of the time distribution?
V- (6pts) The time needed to complete this ECO382 midterm exam is normally distributed with (uo?)...
V- (6pts) The time needed to complete this ECO382 midterm exam is normally distributed with (uo?) a. If 6.68% of the class can expect to complete the exam within at most 1 hour and 45 minutes, and if 2.28% of the class need more than 2 hours and 20 minutes to complete the same exam, then what is the average time needed to complete this exam? What is the standard deviation? (2pts) b. What is the probability that the time...
Assume that the time to finish a small quiz, is denoted by X, which has a...
Assume that the time to finish a small quiz, is denoted by X, which has a normal distribution with a mean of 10 minutes and a standard deviation equal to 6 minutes. If a student is randomly selected . What is the probability that he/she finished the quiz in less than 12 minutes? Find the probability that he/she finished after 9 minutes? Find the probability that he/she needs at least 16 minutes to finish the quiz ? What percent of...
DJ NU VUJU 5. In Brooklyn half marathon, the finish time is approximately normally distributed with...
DJ NU VUJU 5. In Brooklyn half marathon, the finish time is approximately normally distributed with a mean of 190 minutes and a standard deviation of 23 minutes. If Jim fail to win 80% of runners in Brooklyn half marathon, what is the finish time that Jim complete this race? 6. The General Electric claims that 100-watt light bulbs have normal distribution with a mean of 750 hours and a standard deviation of 60 hours. Find the probability that the...
The time needed to complete a statistics test at national level is normally distributed with a...
The time needed to complete a statistics test at national level is normally distributed with a mean of 120 minutes (2 hours) and standard deviation of 21 minutes. What is the probability that a student complete a test between two hours (120min) and two hours and half (150min) What is the probability that a student completes a stats test in more than 2 hours?
1. The grade of a Math Quiz is normally distributed with its mean, 81 and standard...
1. The grade of a Math Quiz is normally distributed with its mean, 81 and standard deviation, 8.4. If a student is randomly selected in class, what is the probability that his or her score will be higher than 90? 2. The historical data of a company's annual sales is normally distributed with its mean, $330 million and its standard deviation, $45 million. Find the probability that the company's sales will be between $300 million and $ 400 next year?
The finishing times for a long-distance race are normally distributed, with an average finishing time of...
The finishing times for a long-distance race are normally distributed, with an average finishing time of 3.25 hours and a standard deviation of 0.5 hours. If Bob is running this race, what time does heed to finish in order to beat 80% of the other participants? Full step by step on how to complete. On Ti-84 and by hand.
(10) 13. The time required to complete a project is normally distributed with a mean of...
(10) 13. The time required to complete a project is normally distributed with a mean of 50 weeks and a standard deviation of 5 weeks. The construction company must pay a penalty if the project is not finished by the due date in the contract. If a construction company bidding on this contract puts in a due date of 50 weeks, what is the probability that they will finish on or before the due date? (Suggest you draw the Normal...
The time spent waiting in the line is approximately normally distributed. The mean waiting time is...
The time spent waiting in the line is approximately normally distributed. The mean waiting time is 5 minutes and the standard deviation of the waiting time is 2 minutes. Find the probability that a person will wait for more than 1 minute. Round your answer to four decimal places.
The time required to complete a task is normally distributed with a mean of 30 minutes and a standard deviation of 12 minutes. What is the probability of finishing the task in less than 28 minutes? 1) 5662 2) 9672 O3).0328 4).4338
V- (6pts) The time needed to complete this ECO382 midterm exam is normally distributed with (uo?) a. If 6.68% of the class can expect to complete the exam within at most 1 hour and 45 minutes, and if 2.28% of the class need more than 2 hours and 20 minutes to complete the same exam, then what is the average time needed to complete this exam? What is the standard deviation? (2pts) b. What is the probability that the time...
DJ NU VUJU 5. In Brooklyn half marathon, the finish time is approximately normally distributed with a mean of 190 minutes and a standard deviation of 23 minutes. If Jim fail to win 80% of runners in Brooklyn half marathon, what is the finish time that Jim complete this race? 6. The General Electric claims that 100-watt light bulbs have normal distribution with a mean of 750 hours and a standard deviation of 60 hours. Find the probability that the...
1. The grade of a Math Quiz is normally distributed with its mean, 81 and standard deviation, 8.4. If a student is randomly selected in class, what is the probability that his or her score will be higher than 90? 2. The historical data of a company's annual sales is normally distributed with its mean, $330 million and its standard deviation, $45 million. Find the probability that the company's sales will be between $300 million and $ 400 next year?
(10) 13. The time required to complete a project is normally distributed with a mean of 50 weeks and a standard deviation of 5 weeks. The construction company must pay a penalty if the project is not finished by the due date in the contract. If a construction company bidding on this contract puts in a due date of 50 weeks, what is the probability that they will finish on or before the due date? (Suggest you draw the Normal...
Most questions answered within 3 hours.
-
Your friend tells you that there is a vending machine on campus
that dispenses M&M packs...
asked 10 minutes ago -
What advantages are there to using piperidine rather than
hydroxide as a base?
asked 8 minutes ago -
7. The life of a Freeze Breeze electric fan is normally
distributed with a mean 4...
asked 11 minutes ago -
1. A 751 mL NaCl solution is diluted to a volume of 1.06 L and a...
asked 16 minutes ago -
8
A $20,000 face value STRIPS is currently quoted at 38.642 and
has 8 years to...
asked 16 minutes ago -
The current exchange rate between the Japanese yen and
the US dollar is 120 yen per...
asked 18 minutes ago -
Marla’s Massages and More bought a special massage table two
years ago for $9,300. At the...
asked 26 minutes ago -
Suppose you require a peak output voltage of 15.0 V and have
available an AC source...
asked 26 minutes ago -
We
conduct A study to estimate the mean age of the population of women
at the...
asked 37 minutes ago -
.13 : Assume that we make an enhancement to a computer that
improves some mode of...
asked 39 minutes ago -
4)
Find the tension in an elevator cable if the 1000 kg elevator is
descending with...
asked 45 minutes ago -
A random sample of 51 newborn babies was taken at the Hospital.
The sample mean was...
asked 43 minutes ago