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sergij07 [2.7K]
3 years ago
5

Last year, 50 students attended the winter carnival. This year, 60 students attended the carnival. Which statement below correct

ly describes the percent change from last year to this year?
Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
5 0

Answer: 20% increase

Step-by-step explanation:

change/ original number

(60 - 50 / 50) x 100 = 20

20%

arsen [322]3 years ago
3 0

Answer:

An increase of 20%

Step-by-step explanation:

50/100=60/x

Cross Products

50x=6000

Divide 50 by both sides

x  =  120

60 is 120% of 50, so there is a 20% increase

Good Luck!

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Which of the following p values will lead us to reject the null hypothesis if the level of significance equals .05?
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Answer:

So then our significance level is \alpha=0.05 and we need to remember these two conditions:

1) If the p value p_v we have enough evidence to reject the null hypothesis at the significance level given

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And baed on the options we see that the only possibility would be:

d. 0.015

Step-by-step explanation:

We want to know for which value we would REJECT the null hypothesis.

So then our significance level is \alpha=0.05 and we need to remember these two conditions:

1) If the p value p_v we have enough evidence to reject the null hypothesis at the significance level given

2) If the p value p_v \geq \alpha we have enough evidence to FAIL reject the null hypothesis at the significance level given

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3 years ago
suppose someone tells you that she has a triangle with sides having lengths 2.6, 8.1 and 8.6 is this a right triangle? why or wh
yawa3891 [41]
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3 years ago
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Answer:

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Answer:

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