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3 years ago

6

Martin receives an e-mail about a money-making opportunity from a sender who asks for his bank account number. The best way to a

void having his identity stolen is to

2 answers:

tatuchka [14]3 years ago

4 0

Answer:D contact the police and file a phishing report

Explanation:

KIM [24]3 years ago

4 0

Answer:

Answer:D contact the police and file a phishing report

Explanation:

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Students in a statistics class are conducting a survey to estimate the mean number of units students at their college are enroll

Andrew [12]

Using the t-distribution, as we have the standard deviation for the sample, it is found that the 95% confidence interval for the number of units students in their college are enrolled in is (11.7, 12.7).

<h3>What is a t-distribution confidence interval?</h3>

The confidence interval is:

$\overline{x} \pm t\frac{s}{\sqrt{n}}$

In which:

$\overline{x}$ is the sample mean.

t is the critical value.

n is the sample size.

s is the standard deviation for the sample.

The critical value, using a t-distribution calculator, for a two-tailed <em>95% confidence interval</em>, with 49 - 1 = <em>48 df</em>, is t = 2.0106.

Hence:

$\overline{x} - t\frac{s}{\sqrt{n}} = 12.2 - 2.0106\frac{1.6}{\sqrt{49}} = 11.7$

$\overline{x} + t\frac{s}{\sqrt{n}} = 12.2 + 2.0106\frac{1.6}{\sqrt{49}} = 12.7$

The 95% confidence interval for the number of units students in their college are enrolled in is (11.7, 12.7).

More can be learned about the t-distribution at brainly.com/question/16162795

4 0

3 years ago

Hypnotic suggestion has been shown to help patients prep and recover from surgery. Please select the best answer from the choice

OlgaM077 [116]

Answer:

True

Explanation:

Just took the test

8 0

3 years ago

Please tell me how to get the answer

jasenka [17]

D
Because if x=8 and y=3 then 3x and 8y are equal. So if we are trying to find an equal to 40y then you need to find what 40 times y equals first. So, 40x3=120. If we substitute x with 8 and multiply it with 15 then you get 120 so it’s equal.

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3 years ago

At a construction site, a builder plans to cut down an 8-foot-by-9-foot piece of plywood. She plans to discard any pieces that s

FromTheMoon [43]

Answer:

30ft²

Explanation:

The area of the plywood that she has:

8 ⋅ 9

=72ft²

The area of the plywood she cut

7 ⋅ 6

=42ft²

The area discarded should be:

72ft² - 42ft²

= 30ft²

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3 years ago

Which expression is equivalent to 16x+20y?

Stolb23 [73]

4(4x+5y) this should be the right answer

8 0

3 years ago