8,839 Answered Questions for the topic statistics

Statistics Math Physics

01/14/22

How to determine What are the forces acting on bars and wires? (photo of exercise in comment)
Follows • 3
Expert Answers •1

01/14/22

How to determine the measures of position from this data below?
There are 40 students in a class and here are their... more
Follows • 1
Expert Answers •2
Statistics

01/14/22

confidence intervals

determine the margin of error for the confidence interval for the mean 60< U<94
Follows • 1
Expert Answers •1
Statistics

01/13/22

Suppose your friend’s 8th grade sibling is 59.5 inches tall. Their class average height is 63.4 inches with a standard deviation of 2.1 inches.

If you are 70 inches tall how do you compare to your friend’s sibling? Who is taller, relatively speaking?
Follows • 1
Expert Answers •1
Statistics

01/13/22

What is the standardized z-score of 70 when the mean is 65.6 and the standard deviation is 3.8
after, write the interpretation of the z-score
Follows • 1
Expert Answers •1
Statistics

01/13/22

Describe the distribution of heights such as center, unusual features, shape, spread.
63 64 61 65 63 67 68 62 73 70 66 72 62 63 62 68 66 67 72 72 66 60 64.8 62 62 63 68
Follows • 2
Expert Answers •1
Statistics Probability

01/13/22

The letters that form the word MISSISSIPPI are placed in a bowl. What are the odds of choosing a “P”?
Follows • 1
Expert Answers •1
Statistics Probability

01/13/22

The letters that form the word MISSISSIPPI are placed in a bowl. What are the odds of choosing a “P”?
Follows • 2
Expert Answers •1
Statistics Probability

01/13/22

The letters that form the word MISSISSIPPI are placed in a bowl. What are the odds of choosing a “P”?
The letters that form the word MISSISSIPPI are placed in a bowl. What are the odds of choosing a “P”?
Follows • 1
Expert Answers •1

01/12/22

Finding determinate source of error
An analyst applies the neutralization titration method to determine the amount of NaHCO3 in an antacid tablet. Before the measurement, the analyst checks the method by titrating a standard sample... more
Follows • 1
Expert Answers •1
Statistics

01/09/22

Mean and standard deviation from percentage values - Normal distribution
Suppose in a sample of 500 observations from a normal distribution with a mean μ and a standard deviation σ, you are told that 35% of the observations are less than 2.1 and 55% of the observations... more
Follows • 2
Expert Answers •1
Statistics Mathematics

01/09/22

A random sample of 130 human body temperatures had a mean of 98.25 degrees and a standard deviation of 0.73 degrees.
A random sample of 130 human body temperatures had a mean of 98.25 degrees and a standard deviation of 0.73 degrees. Does the data indicate that the average body temperature for healthy humans is... more
Follows • 1
Expert Answers •1

01/08/22

statistics probbality data analysis
An airline is deciding how much to overbook a flight. The plane has 175 seats. Historically, 95 percent of those with a reservation will actually show up. The airline charges $500 for each seat on... more
Follows • 1
Expert Answers •1
Statistics

01/08/22

stat stat stat stat
Suppose 400 automobiles are to be inspected for emissions where 50 of them have higher emissions than the allowed limit. A sample of 10 cars is chosen at random and the number of cars that have... more
Follows • 1
Expert Answers •1
Statistics

01/07/22

Suppose that you and a friend are playing cards and you decide to make a friendly wager.

The bet is that you will draw two cards without replacement from a standard deck. If both cards are clubs, your friend will pay you $6. Otherwise, you have to pay your friend $3. What is the... more
Follows • 1
Expert Answers •1

01/04/22

Probability statistics data analysis excel

A hospital is trying to decide how many new rooms to add to a new wing they are building. Each new room will contain one bed. There are currently 100 rooms. Each new room will cost $80,000 for... more
Follows • 2
Expert Answers •1
Statistics Probability

01/03/22

Card game - spades
In the card game Spades each player is dealt 13 cards. The player with the 2 of clubs starts the game and plays that card. The person to the left then plays their lowest club, followed by the next... more
Follows • 1
Expert Answers •1

01/02/22

Probability data analysis statistics

A hospital is trying to decide how many new rooms to add to a new wing they are building. Each new room will contain one bed. There are currently 100 rooms. Each new room will cost $80,000 for... more
Follows • 0
Expert Answers •1
Statistics

01/02/22

In a bag of 100 chips, three are black. If 6 chips are drawn from the bag, what is the chance that a black one will be drawn?
Follows • 1
Expert Answers •2
Statistics

01/02/22

For the above data calculate the mean, variance and standard deviation.

Twelfth fish caught had a mass of 2.3kg. summary data for the mass in kg of the 12 fish are follows. Sigma x = 21.4. Sigma x ^2= 40.54
Follows • 1
Expert Answers •1
Statistics

01/01/22

Verizon offers a simple extended warranty plan. If your phone is damaged, they will repair it for up to $300.
Verizon offers a simple extended warranty plan. If your phone is damaged, they will repair it for up to $300. If you lose or destroy your phone, they will give you a $800 voucher towards a new... more
Follows • 2
Expert Answers •1
Statistics Spss

12/31/21

Comparing two Likert instruments in SPSS
I used two Likert instruments to measure stress on one sample, and would like to compare the two instruments in SPSS. I am unsure of the method to do this.Thank you
Follows • 1
Expert Answers •1
Statistics Probability

12/31/21

Card game - Spades
In the card game Spades each player is dealt 13 cards. The player with the 2 of clubs starts the game and plays that card. The person to the left then plays their lowest club, followed by the... more
Follows • 0
Expert Answers •2
Statistics

12/29/21

6- If, in a sample of n=16 selected from a normal population,x̅=56 and S=12, what is the value of the t-test statistic if you are testing the null hypothesis, H0: µ=50?
1-   If, in a sample of n=16 selected from a normal population,x̅=56 and S=12, what is the value of the t-test statistic if you are testing the null hypothesis, H0: µ=50?
Follows • 1
Expert Answers •1

12/28/21

How to use the Recursive method to calculate the average number of times that the Markov chain visits a given state ?
Dear expert,In the insight of what mentioned in the appendix of this article,https://link.springer.com/article/10.1007/s11538-011-9638-4My question is, if we already have the transition probability... more
Follows • 1
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.