6,938 Answered Questions for the topic mathematics
Statistics Question, urgent help
Why isn't it 8(1.2) + 5(2.9) / 4.1, why can't it be divided by 4.1 (sum of category weights) its part of the formula, (sum of(category value x category weight)) divided by sum of category weights....
more
Follows
•
1
Expert Answers
•1
![]()
Is it symmetric, positively skewed or negatively skewed distribution?
In terms of the median, mode, and mean of the question, I got the correct answer of the mean being 2.7, mode 2.5, and median 2.5, which I had plotted in the above histogram. My concern was that...
more
Statistics Question, urgent help
Show all steps please I really don't understand Why isn't it 8(1/2) + 5(2.9) / 4.1, why can't it be divided by 4.1 (sum of category weights) its part of the formula, (sum of(category value x...
more
06/03/21
word problems! ( elementary math)
Kevin ran 6/7 miles and his brother James ran 10 miles. How many miles did the two of them run?
Follows
•
1
Expert Answers
•3
![]()
06/03/21
Help me solve this statistics question.
A drinks machine dispenses coffee into cups. A sign on the machine indicates that each cup contains 50 ml of coffee. The machine actually dispenses a mean amount of 55 ml per cup and 10% of the cup...
more
Follows
•
1
Expert Answers
•1
![]()
06/03/21
Hi can someone please help with this, by using the formula of z-scores and z-scores table. Thank you so much!
If the systolic blood pressure of obese people has a mean of 132 and standard deviation of 8, find the probability that a person have the following blood pressure. Assume the variable is normally...
more
Follows
•
1
Expert Answers
•1
![]()
06/02/21
Hi can someone please help with this, by using the formula the z-scores and z-scores table
The average age of the company's president is 56 years old. Assume the variable is normally distributed is four years, find the probability that the age of a president will be between 52 and 58.
Follows
•
1
Expert Answers
•1
![]()
Statistics Question, urgent help
Which formula is used? Explain whyShow all steps please I really don't understand
Statistics Question, please explain steps
Please explain all steps, thank you. Which formula is used?Why is it not 0.82(0.7) + x(0.9) / 0.7 + 0.9?
How do you mark the measures of central tendency on a histogram?
How do you mark the measures of central tendencyon a histogram?Say you have Mode interval: (2-3) or 2.5, Median = 9.5, Mean = 2.7 for example.Please show this if you can, thank you so much.
How do you mark the measures of central tendency on a histogram?
How do you mark the measures of central tendencyon a histogram? Say you have Mode interval: (2-3) or 2.5, Median = 9.5, Mean = 2.7 for example.Please show this if you can, thank you so much.
Statistics Question, please explain steps
Please explain all steps, thank you. Which formula is used?
Follows
•
1
Expert Answers
•1
![]()
math question help, please explain
PLEASE explain and which formula is used sample or population mean?
Follows
•
1
Expert Answers
•1
![]()
Math Question Help
1.Lisa needs a science mark of 90% to get into her college program. If her term mark is82% and it is worth 70% of her final mark, is it possible for her to achieve the 90%?
Follows
•
1
Expert Answers
•2
![]()
![]()
Math Question Help
The average daily rainfall for the first four days of May was 21 mm. On the first day itrained 15 mm, on the second day it rained 21 mm, and on the third day it rained 12 mm.How much did it rain on...
more
06/01/21
Find the value of each variable using sine and cosine. Round your answers to the nearest tenth.
m≈n≈
Follows
•
1
Expert Answers
•2
![]()
06/01/21
Find the value of each variable using sine and cosine. Round your answers to the nearest tenth.
a≈b≈
Follows
•
1
Expert Answers
•2
![]()
Mathematics
06/01/21
Jon only had five dollar and ten dollar bills. He had a total of $200, what are three possible combinations that Jon had?
Mathematics
06/01/21
The triangle above has the following side lengths b = 5.0 units and c = 17.2 units. What is the length of the other side? Answer to one decimal place.
The triangle above has the following side lengths b = 5.0 units and c = 17.2 units. What is the length of the other side? Answer to one decimal place.
A group of children were asked how many hours a day they spend watching television.
A group of children were asked how many hours a day they spend watching television. Determine the mean, mode, and median.
Follows
•
1
Expert Answers
•1
![]()
Mathematics
05/31/21
Find the quadratic function that pass through (-3,0), (1,-6), (5,0)
A company considers 5 things when hiring people.
A company considers 5 things when hiring people. Each applicant gets a score from 1 – 5 and each category has a weighting from 1 – 3 in terms of importance. Below is the result of one applicant’s...
more
urgent help weighted mean
How to know when to use weighted mean in a question? And could someone explain the formula, and what it means please! Thank you so much.
Follows
•
1
Expert Answers
•3
![]()
Probability of Combined Events
A bag contains 22 red marbles, 15 purple marbles and a number of green marbles. A marble is randomly selected from the bag. Probability choosing red marble is 11/25. Find the number of green...
more
Follows
•
1
Expert Answers
•3
![]()
![]()
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.
