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Darya [45]
3 years ago
11

The second term from the end of the A.P. 5.8. 11,......47 is

Mathematics
1 answer:
enyata [817]3 years ago
7 0
D = -(8-5) = -3
a = 47
an = a + (n-1)d = 47 + (-3) = 47 - 3 = 44
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The distance formula is d = rt. A trip of 92 miles traveled at 65 mph will take 1.35 hours.
Romashka [77]

65 * 1.35 = 87.75

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 so this is False
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3 years ago
If the level of significance of a hypothesis test is raised from 0.005 to 0.2, the probability of a type ii error will:_________
LiRa [457]

The probability of type II error will decrease if the level of significance of a hypothesis test is raised from 0.005 to 0.2.

<h3 /><h3>What is a type II error?</h3>

A type II error occurs when a false null hypothesis is not rejected or a true alternative hypothesis is mistakenly rejected.

It is denoted by 'β'. The power of the hypothesis is given by '1 - β'.

<h3>How the type II error is related to the significance level?</h3>

The relation between type II error and the significance level(α):

  • The higher values of significance level make it easier to reject the null hypothesis. So, the probability of type II error decreases.
  • The lower values of significance level make it fail to reject a false null hypothesis. So, the probability of type II error increases.
  • Thus, if the significance level increases, the type II error decreases and vice-versa.

From this, it is known that when the significance level of the given hypothesis test is raised from 0.005 to 0.2, the probability of type II error will decrease.

Learn more about type II error of a hypothesis test here:

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7 0
2 years ago
Determine the solution of the equation x2 = 36. Select each correct answer.
padilas [110]

Answer:

C. x=18 is the answer

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4 0
3 years ago
What equation has the solution n=-2/3? A: 4n+5=7/3 B: 2n+4/3=1 C: 4n+7/3=5 D: 2n+1=4/3
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A has the solution of -2/3.

6 0
3 years ago
A citrus grower anticipates a profit of $100,000 this year if the nightly temperatures remain mild. Unfortunately, the weather f
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The grower should spend the $5,000, thereby reducing the profit to $95,000.

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Step-by-step explanation:

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With this probability, the probable loss will be 20% X $40,000 = $8,000.

B) If the grower can protect the fruit against freezing weather at a cost of $5,000, then she should go ahead.  Doing this, the profit will be reduced to $95,000 because of the cost.

However, it is worthy to note that freezing weather happens at 20% chance.  This implies that the freezing weather might not happen, 80% chance.  But, prudence still demands that necessary precautions are taken, and this includes protecting the crop at a cost of $5,000.

4 0
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