5,395 Answered Questions for the topic probability
03/12/22
What is the mean of a sampling distribution of sample means if a population has a mean of 8.5?
1.What is the mean of a sampling distribution of sample means if a population has a mean of 8.5?2.What is the mean of a population if the mean of the sampling distribution of sample means is...
more
Follows
•
1
Expert Answers
•1
![]()
03/12/22
A population consist of the data (1,2,3,4).What is the lowest value of the sample mean in this sampling distribution?
A population consist of the data (1,2,3,4).What is the lowest value of the sample mean in this sampling distribution?a.1.5b.0c.2d.2.5
Probability Statistics
03/12/22
Probability rolling a die
You roll a die repeatedly until you observe a 6 and then you stop. Let N denote the number of rolls you made before you stop. a) What is the probability of N = 10? b) What is the probability of...
more
Follows
•
1
Expert Answers
•1
![]()
Probability
03/11/22
A problem is given to three persons P, Q, R whose respective chances of solving it are 2/7, 4/7, 4/9 respectively. What is the probability that the problem is solved?
A problem is given to three persons P, Q, R whose respective chances of solving it are 2/7, 4/7, 4/9 respectively. What is the probability that the problem is solved?https://starofgeeks.com
Follows
•
1
Expert Answers
•1
![]()
Probability
03/11/22
Sampling Distribution and PRobability
the proportion of eligible voters in the next corporation election who will vote for the incumbent is assumed to be 55%. what is the probability that in a random sample of 500 voters less than 49%...
more
Follows
•
1
Expert Answers
•1
![]()
03/11/22
A machine produces widgets at a defective rate of 9%. A sample of 11 widgets is taken, What is the probability that 3 of them are defective?
A machine produces widgets at a defective rate of 9%. A sample of 11 widgets is taken, What is the probability that 3 of them are defective?A. 0.0559B. 0.0566C. 0.1427D. 0.1639
03/10/22
If Roberto scored 85, what was his z-score?
On a nationwide math test, the mean was 75 and the standard deviation was 10. If Roberto scored 85, what was his z-score?
Follows
•
1
Expert Answers
•1
![]()
Probability Statistics
03/10/22
how would you change the game (ticket prices, number of tickets, prize amounts, etc.) in order to encourage more people to purchase tickets while still raising at least $4000 for your organization?
If you were organizing a raffle like this, how would you change the game (ticket prices, number of tickets, prize amounts, etc.) in order to encourage more people to purchase tickets while still...
more
Follows
•
1
Expert Answers
•1
![]()
Probability Statistics
03/10/22
Using the empirical rule (as presented in the book), what is the approximate percentage of daily phone calls numbering between 59 and 69?
In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 64 and a standard deviation of 5. Using the...
more
Probability
03/10/22
A coin is thrown 3 times .what is the probability that atleast one head is obtained? https://starofgeeks.com
A coin is thrown 3 times .what is the probability that atleast one head is obtained? https://starofgeeks.com
Follows
•
1
Expert Answers
•1
![]()
03/09/22
Probability of winning
If I purchase 10 lottery tickets, with 44,020 prizes to be won and 1,100,000 total tickets sold, what are my odds of winning?
Follows
•
1
Expert Answers
•1
![]()
03/09/22
I don’t understand how to calculate a and get the standard deviation for b, the mean for c and e, and don’t get f
The distribution of actual weights of wedges of cheddar cheese produced at a dairy is normal with a mean of 9.1 ounces and a standard deviation of 0.2 ounces. (Round to 2 decimal places for all...
more
Follows
•
2
Expert Answers
•1
![]()
03/09/22
What method/ process should I use in order to solve this? It’s due in one day.
Large adult population has a mean IQ of 113, standard deviation of 25. Suppose 40 are randomly selected for a market research campaign.(z-values (2 decimal places) and rest of the answers to 4...
more
Follows
•
1
Expert Answers
•1
![]()
03/09/22
I don’t understand how to do this question.
At a particular University, students’ grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of 63 and a standard deviation of 18. (Round to 2 decimal...
more
Probability Math
03/09/22
What is the probability that a seven digit phone number ends “309” and has distinct digits?
Follows
•
1
Expert Answers
•1
![]()
Probability Math
03/09/22
What is the probability that all digits are odd in a seven digit phone number?
03/09/22
A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?
A population consist of five (5) measurements 2,3,5,6 and 7. What is the variance of the sampling distribution?a.0.89b.1.29c.3.90d.2.20
Probability Math
03/08/22
Suppose a 7-digit phone number is chosen at random.
(a) What is the probability that the digits are distinct (i.e. that no digits repeat)? (b) What is the probability that all digits are odd? (c) What is the probability that it ends “309” and has...
more
Follows
•
1
Expert Answers
•1
![]()
Probability Math
03/08/22
Suppose a 7-digit phone number is chosen at random. What is the probability that the digits are distinct (i.e. that no digits repeat)?
Follows
•
1
Expert Answers
•1
![]()
03/08/22
The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a...
more
Probability Statistics
03/07/22
Calculate the probability of not rolling a 2. (Express your answer as a decimal rounded to the nearest ten-thousandth.)
Follows
•
1
Expert Answers
•1
![]()
Probability Finance
03/07/22
Dr. Meara could address this situation
A second way that Dr. Meara could address this situation is to accept a new contract from a local health insurer. For the sake of simplicity, assume that a private health care plan that currently...
more
Follows
•
2
Expert Answers
•1
![]()
Probability Finance
03/07/22
What would be the financial impact of altering staffing to achieve 98% capacity?
One way that Dr. Meara can reduce the costs of unused capacity is to adjust staffing so that the department achieves 98% capacity utilization by type of personnel position. What would be the...
more
Follows
•
2
Expert Answers
•1
![]()
03/07/22
You plan to open a new pizza restaurant and found out the data for a similar restaurant which is presented below.
You plan to open a new pizza restaurant and found out the data for a similar restaurant which is presented below.amount - percentage$40000 - 10% loss$0 - 35%$40000 - 45% profit$200000 - 10%...
more
Follows
•
2
Expert Answers
•1
![]()
03/07/22
The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms.
Situation: You volunteered to be part of the medical mission in your barangay and in-charge to get weight of the children. The weights of 1000 children have an average of 45 kilograms and a...
more
Follows
•
2
Expert Answers
•1
![]()
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
