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Art [367]
3 years ago
11

Please show work (I’ve been sick for 4/5 of this week from school and have no idea how to work this)

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
7 0

Answer:

ROund eahc measurment to the hundrenths

Step-by-step explanation:

becuas ethast how tis works

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Three students compared their math scores: Lea correctly answered 35 out of 37 items, Jay scored 97% on the exam, and Roy answer
Artemon [7]
Roy has the highest score of 97.5% as a percent. Leas is 94%.
7 0
3 years ago
A study of more than 3,000 toco toucans found that their weights were approximately Normally distributed, with a mean
ANTONII [103]

Using the normal distribution, it is found that the correct option is:

  • P(Y< 16) = 0.041. About 4.1% of all toco toucans weigh less than 16 ounces

In a normal distribution with mean and standard deviation , 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:

  • Mean of 20 ounces, hence \mu = 20.
  • Standard deviation of 2.3 ounces, hence \sigma = 2.3

P(Y < 16) is the <u>p-value of Z when X = 16</u>, hence:

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

Z = \frac{16 - 20}{2.3}

Z = -1.74

Z = -1.74 has a p-value of 0.041.

This is valid for the entire population, hence, the correct interpretation is:

  • P(Y< 16) = 0.041. About 4.1% of all toco toucans weigh less than 16 ounces

A similar problem is given at brainly.com/question/24663213

4 0
2 years ago
4/5 + 2/3 =<br>1 1/2-2/6=​
sammy [17]

Answer:

22/15

7/6

Step-by-step explanation:

Have a blessed day

6 0
3 years ago
Read 2 more answers
416 oz = ____lb help meh again pwease ;-;
soldier1979 [14.2K]

Answer:

416 oz = <em>26 </em>lbs

3 0
3 years ago
Read 2 more answers
Andrea has 18 yards of fabric. How many 4 inch pieces can she cut from her original place?
Galina-37 [17]
4inches = 1/3 of a foot (4inches x 3 = 12 inches) - so she can cut 3 out of each foot

1 yard = 3 feet - so she can cut 3 x 3 = 9 out of each yard

18 x 9 = 162 pieces
8 0
3 years ago
Read 2 more answers
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