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xeze [42]
3 years ago
9

A year is a leap year if it is divisible by 4. but if the year is divisible by 100, it is a leap year only when it is also divis

ible by 400.
Mathematics
1 answer:
KIM [24]3 years ago
3 0
What is the question that you are asking?
You might be interested in
Scores on a recent exam followed a normal distribution and letter grades will be assigned with 15% A, 35% B, 30% C, 15% D, and 5
noname [10]

Using the normal distribution, it is found that Sue will get a letter grade of B.

In a <em>normal distribution </em>with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem, Sue got a grade of 0.85, hence z = 0.85.

  • Looking at the z-table, z = 0.85 has a p-value of 0.8023, hence she is approximately in the top 20%, which is below the top 15% but above the top 50%, hence she got a letter grade of B.

A similar problem is given at brainly.com/question/25745464

5 0
2 years ago
1)the difference between the upper and the lower quartile is the
nirvana33 [79]
A) interquartile range

The difference between the upper and the lower quartile is a measure of spread known as the interquartile range.
3 0
3 years ago
4x-3(x-2)-x<br> I have 6. Is that correct?<br> 4x-3x-x=0<br> And -3*-2=6<br> 0+6=6
sesenic [268]
4x - 3(x - 2) - x
4x - 3x + 6 - x
4x - 4x + 6
6....u r correct because ur x's cancel out
8 0
3 years ago
Mrs. Gainey planned a dinner for 15 people this Thanksgiving. She bought 22.5 lbs of turkey, plus potatoes, cranberry salad, rol
likoan [24]
Each person was to have 1.5 pounds of turkey, but, with the extra people she would have to buy an additional 4.5 pounds of turkey. If she didn’t buy anymore turkey then everyone would get 1.25 pounds of turkey, which is about 1/6 less of what they would have originally gotten. 1/6 is equal to 16.7% or 0.167.
8 0
3 years ago
What prevent is modeled below
r-ruslan [8.4K]

Answer:

B 35%

Step-by-step explanation:

35/100 reduces to .35. To turn this into a percent, multiply it by 100 and add a percent sign. .35 * 100 = 35. 35%

3 0
3 years ago
Read 2 more answers
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