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NeTakaya
3 years ago
14

Three friends will need to paint 240 baskets for their art class project.

Mathematics
1 answer:
Ivahew [28]3 years ago
7 0

Answer:

222

Step-by-step explanation:

i dont know i tried my best i really didnt understand it

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a researcher found that a cigarette smoker smokes on average 31 cigarettes a day. she feels that this average is too high. she s
Ivenika [448]

At 0.01 significance level the hypothesis is rejected.

Null Hypothesis (H₀): The sample data occurs purely from chance.

Alternative Hypothesis (H₁): The sample data is influenced by some non-random cause.

If the p-value of the hypothesis test is less than some significance level (e.g. α = .01), then we can reject the null hypothesis and conclude that we have sufficient evidence to say that the alternative hypothesis is true.

Given that,

x = 28

s = 2.9

μ = 31

n = 8

α = 0.01

Then, the Null Hypothesis : H₀ = 31

          The Alternate Hypothesis : H₁ < 31

The average number of cigeratte smoker  per day is less than 31.

Test Statistics:

t = x -μ / s√n

   = 28 - 31/ 2.9√8

   = -3/ 8.41

   = -0.356

Since the p-value of 0.0046 is less than the significance level of 0.01, the auditor rejects the null hypothesis.

Learn more about Null hypothesis:

brainly.com/question/28920252

#SPJ4

4 0
1 year ago
A rectangle has sides measuring (6x + 4) units and (2x + 11) units.
Phantasy [73]

Answer:

Down Here ↓↓↓

Step-by-step explanation:

Hello!

A)

The area of a rectangle is L * W.

  • Area = (6x + 4)(2x + 11)
  • Area = 12x² + 8x + 66x + 44
  • Area = 12x² + 74x + 44

B)

The degree of a polynomial is the value of the highest exponent. The degree of 12x² + 74x + 44 is 2, because 2 is the highest exponent.

C)

This demonstrates the closure property, as adding, subtracting, and or multiplying polynomials will give a polynomial.

7 0
2 years ago
What is 788.48 plus 7%
Zanzabum

Answer:

843.6736

Step-by-step explanation:

1% = 7.8848

7.8848 x 7 = 55.1936

788.48 + 55.1936 = 843.6736

5 0
4 years ago
I need to pass this but I just need help on the percentage
Tcecarenko [31]

Answer:

38%

Step-by-step explanation:

$600 is 100%

$60 is 10%

$6 is 1%

3 60s go into 228 with 48 still left.

6 times 8 is 48.

So its 38%.

6 0
3 years ago
Weather it’s true or false?
Veronika [31]
The answer to the question is false
5 0
3 years ago
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