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4 years ago

The (blank) of a conditional switches the hypothesis and conclusion

Mathematics

1 answer:

Elanso [62]4 years ago

4 0

The converse of a conditional statement switches the hypothesis and conclusion.

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In a sample of 408 new websites registered on the Internet, 37 were anonymous (i.e., they shielded their name and contact inform

xeze [42]

Answer: $(0.0628,\ 0.1186)$

Step-by-step explanation:

Given : Significance level : $\alpha:1-0.95=0.05$

Critical value : $z_{\alpha/2}=\pm1.96$

Sample size : n= 408

Proportion of new websites registered on the Internet were anonymous :

$\hat{p}=\dfrac{37}{408}\approx0.0907$

The formula to find the confidence interval for population proportion is given by :-

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

i.e. $0.0907\pm (1.96)\sqrt{\dfrac{0.0907(1-0.0907)}{408}}$

$=0.0907\pm0.0278665515649\\\\\approx 0.0907\pm0.0279\\\\=(0.0907-0.0279,\ 0.0907+0.0279)\\\\=(0.0628,\ 0.1186)$

Hence, the 95 percent confidence interval for the proportion of all new websites that were anonymous = $(0.0628,\ 0.1186)$

8 0

3 years ago

Use a calculator and inverse functions to find the radian measures of the given angle.

vfiekz [6]

Answer: 0.50+2pin and -3.64+2pin

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Help me please!!!!!!

dmitriy555 [2]

I THINK ITS B HAVE A GOOD DAY

4 0

4 years ago

Use the value of the linear correlation coefficient r to find the percentage of the total variation that can be explained by the

Pie

Answer:

5.47% of the total variation between the two variables can be explained by the regression line.

Step-by-step explanation:

Given :

R value = 0.234

The R value is the correlation Coefficient ; which gives the type and level of correlation between two variables.

However, to Obtian the percentage variation which can be explained by by the regression line, we have to obtain the Coefficient of determination, R².

R² value is Obtained by taking the squared of the correlation Coefficient

Hence,

R² = 0.234² = 0.054756

R² = 0.05476 * 100% = 5.4756%

Hence, R² = 5.48%

This is interpreted as ; 5.47% of the total variation between the two variables can be explained by the regression line.

4 0

3 years ago

A) NO CHANGE<br> B) that compared with<br> C) that for<br> D) DELETE the underlined portion

Alex777 [14]

Choice C is the best answer because the singular pronoun “that” agrees in number with its singular antecedent “transition.”

According to the statement

Here we have to find the correct word which replaces the given words in the comics gold to silver.

So, For this purpose, we know that the

In the comics Gold into silver: "The reverse alchemy" we have to replace the word those.

And

Choices A and B are incorrect because the plural pronouns “those” and “these” do not agree with the singular antecedent “transition.” Additionally, choice B is incorrect because “these” implies that whatever is being referred to is at hand, not in the past. Choice D is incorrect because a pronoun is needed to complete the comparison of transitions between comic book ages.

So, Choice C is the best answer because the singular pronoun “that” agrees in number with its singular antecedent “transition.”

Learn more about pronoun here

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5 0

2 years ago