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Damm [24]
2 years ago
11

Can someone help me with this problem please

Mathematics
1 answer:
Makovka662 [10]2 years ago
6 0

Answer:

Circumference=2πr or πd

So:

3.14 × 6cm

=18.84cm

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Jason gets very nervous giving speeches in front of big crowds how can he combat his nervousness
gregori [183]

Answer: Jason can imagine everyone naked while on the stage, it will make him smile, and feel free.

Step-by-step explanation: I'ts pretty easy actually.

3 0
3 years ago
A company has developed a training procedure to improve scores on the SAT. Following the training, 100 high school students take
Pani-rosa [81]

Answer:

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given  sample mean (x⁻ )  = 517

sample standard deviation (s) =90

Mean of the Population (μ) =500

<em>Null Hypothesis :- H₀ :  </em> (μ) =500

Alternative Hypothesis : H₁ :  μ ≠ 500

<u><em>Step(ii)</em></u>:-

Test statistic

                         t = \frac{x^{-} -mean}{\frac{s}{\sqrt{n} } }

                        t = \frac{517 -500}{\frac{90}{\sqrt{100} } }

                        t  =   1.717

<em>Level of significance</em>

                      ∝ = 0.05

                    t₀.₀₅ = 1.6604

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

<u><em>Conclusion</em></u>:-

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

3 0
3 years ago
In quotient and remainder what is the remainder of 2,117 divided by 7
Step2247 [10]


The remainder is 3 left over


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3 years ago
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The measurement of the side of a RV is 469 inches the actual length is 480 inches what is the percent error
Ksivusya [100]

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6 0
3 years ago
4, 11.6, 50, 23, 20.1, 19, 29, 12.7, 8, 23, 57.5 The min= The max- 015 Q2 Q3 The range The interquartile range​
earnstyle [38]
Ty for points ahaha












No jk lol I think it’s 12.7
4 0
2 years ago
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