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Blababa [14]
2 years ago
15

Is it true that Confidence intervals are always close to their true population values?

Mathematics
1 answer:
user100 [1]2 years ago
6 0

Answer:

This means that there is a 95% probability that the confidence interval will contain the true population mean. Thus, P( [sample mean] - margin of error < μ < [sample mean] + margin of error) = 0.95.

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For which inequality would x = 8 not be a solution?4x + 3 &gt; 09x - 5 &lt; 100x + 4 ≤ 1072 ÷ x ≥ 4
galina1969 [7]

Given:

Given the inequalities:4

\begin{gathered} 4x+3>0 \\ 9x-5

Required: Identify the inequality in which x = 8 is a solution.

Explanation:

Substitute 8 for x in each inequality and check whether it satisfies the inequality.

Consider 4x + 3 > 0.

4\cdot8+3=35>0

So, x = 8 satisfies the inequality 4x + 3 > 0.

Consider 9x - 5 < 100.

9\cdot8-5=67

So, x = 8 satisfies the inequality 9x - 5 < 100.

Consider x + 4 ≤ 10.

8+4=12>10

So, x = 8 not satisfies the inequality.

Consider 72 ÷ x ≥ 4.

72\div8=9\ge4

So, x = 8 satisfies the inequality.

Final Answer: The inequality in which x = 8 is not a solution is x + 4 ≤ 10.

5 0
11 months ago
3+8-4x2-12 <br> Put parentheses to get the answer 2
sesenic [268]
(3+8-4)x2-12 =2 the answer is 2
5 0
3 years ago
SOLVE 5 and 6 for me.
Elza [17]
Yes and yes are your two answer for the problems
7 0
3 years ago
The mapping diagram shows a functional relationship.
likoan [24]

Answer:

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  • 8

Step-by-step explanation:

x = domain, f(x) = range

<u>Look for matching numbers:</u>

  • f(4) = 1/2
  • f(x) = 4 when x = 8
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