03/18/24

help solving it
The following table represents food purchase amounts and whether the customer used cash or a credit/debit card. One customer is chosen at random. Give your answer as a decimal out to at least 4... more
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03/17/24

STUCK BETWEEN MAJORS
Hey, I’m attending University next year however I am stuck between two majors. The two are Data Science and Computer Science. I have experience in both as a high schooler and enjoy both pretty... more
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03/13/24

Tutoring Rate for Excel
Hi,I am given to understand that Ahmed who has been tutoring my daughter has increased his rate from $30 to $50 an hour. Is that correct? If yes, what is your policy about changing the rate?ThanksRaj
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03/08/24

Statistics Logistic Regression model

Source Value Standard Error Chi-Squared Pr>Chi2Intercept 0.733 0.081 9.008 <0.0001Bachelors+ 1.096 0.130 8.446 <0.0001Female 0.068 0.105 0.654 0.513In an attempt to understand the impact... more
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03/07/24

A rectangle has a base that is double its height. Its perimeter is 45. Find its area.
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03/06/24

the difference of chrissys height and 14 and 47. use c to represtnt her height
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02/27/24

If you pick one fruit at random, what is the probability that it will weigh between 257 grams and 346 grams
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02/26/24

Please help with this question

In a sample of 330 adults, 241 head children. Constructed 90% confidence and evolve for the true population proportion of adults with children. Give your answer as decimals 23 places.... more
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02/25/24

Cronbach alpha for Survey question with Select all that applies.
Hi!I have a survey questionnaire with 15 items, all of them are multiple choice questions. This is composed of 11 items with Select all that applies and 4 items with only to choose one question... more
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02/21/24

Excel, Data and decisions
What formula is used to calculate the z-score corresponding to the 75th percentile in a standard normal distribution in Excel?
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02/18/24

I need help with this problem
A food marketing Institute found that 33% of household spend more than $125 a week on groceries assume the population proportion is 0.33 and a simple random sample of 412 households is selected... more
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02/18/24

How many parents do you have to sample?
You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately o-= 64.7... more
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02/18/24

How large of a sample size is required?
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o-=38.2. You would like to be 95% confident... more
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02/18/24

i'm doing a study as a high schooler trying to see the effect of 2 different types of essential oils on e.coli. i'm kind of stuck not knowing which statistical tests are most appropriate.
What I did was that I increased the concentrations of the oils from 10% to 20%, 30%, 40%, and 50%. I used the disk diffusion tests and measured the inhibition zones formed. I also had a positive... more
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02/12/24

empirical rule-standard deviation
Suppose that diastolic blood pressure readings of adult males have a bell-shaped distribution with a mean of 82 mmHg and a standard deviation of 12 mmHg. Using the empirical rule, what percentage... more
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02/09/24

WHAT WOULD YOU DO TO SOLVE THIS ?
Together, teammates Pedro and Ricky got 2668 base hits last season. Pedro had 276 more hits than Ricky. How many hits did each player have?
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02/06/24

For a standard normal distribution, find if P(z < c) = 0.5646

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02/04/24

What is the probability of drawing a black checker and a white checker without replacement
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01/24/24

Word problem with 2 unkowns

A washer and a dryer cost $634 combined. The washer costs $66 less than the dryer. What is the cost of the dryer?
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01/23/24

Where can I get reliable help with my essays?
Crafting essays can be a daunting task, but fear not! Whether you're tackling a persuasive piece, a narrative, or a research paper, the key is to express your thoughts clearly and persuasively.💡... more
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01/23/24

Suppose that 61% of people own dogs. If you pick two people at random, what is the probability that they both own a dog? Give your answer as a decimal (to at least 3 places) or fraction
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01/05/24

What's the main difference between proofreading and editing?
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12/23/23

What is Cyber Bullying?
What is Cyber Bullying?
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12/09/23

Business statistics

fill in the missing values for this ANOVA summary table:  S.S. d.f. M.S. F Between  352.773  3  ? ? Within  ? ? ? TOTAL  1891.773  30
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12/09/23

Business statistics

A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y).The results of the regression... more
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