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densk [106]
1 year ago
14

Confidence intervals for the means provide an estimate for where the true mean lies.

Mathematics
1 answer:
stepladder [879]1 year ago
3 0

It is true that the confidence intervals for the mean provide an estimate for where the true mean lies.

In statistics, a confidence interval denotes the likelihood that a population parameter will fall between a set of values for a given proportion of the time. A confidence interval depicts the likelihood that a parameter will fall between two values near the mean. Confidence intervals quantify the degree of uncertainty or certainty in a sampling procedure.

The mean is a basic mathematical average of two or more values. There are two sorts of means that may be calculated: the arithmetic mean and the geometric mean. A mean tells you the average of a bunch of values, which helps you contextualize each data point.

To learn more about confidence interval, visit :

brainly.com/question/24131141

#SPJ4

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After three weeks, he has gone from 20 free throws to 26. By what percent has he increased his score?
Alika [10]

Answer:

By 30%

Step-by-step explanation

He has improved by 6 free throws. He used to score 20 points from free throws(Im assuming this is basketball) He scores 6 more in three weeks.

6/20 = 30/100=30 percent.

Check:

30% of 20  = 6

6=6

4 0
3 years ago
5(b + 6) = 18<br><br> A. 9.6<br><br> B. -2.4<br><br> C. 2.4<br><br> D. 3.6
Ratling [72]
<span>5(b + 6) = 18
b + 6 = 3.6
b = -2.4

answer
</span><span>B. -2.4</span>
6 0
3 years ago
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How far would Maria have to travel to get to Valentina's house?
emmasim [6.3K]

Answer:depends on the distance but we need info

Step-by-step explanation:

4 0
3 years ago
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The pH of lemon juice at 298 K is found to be 2. 32. What is the concentration of mc014-1. Jpg ions in the solution? Use StartBr
sdas [7]

The concentration of ions in the solution of lemon juice whose pH value is 2.32 is 4.79×10⁻³ M.

<h3>What is pH value?</h3>

The pH value shows that how much a solution is acidic or basic. The range of the pH value lies between the 0-14.

The pH value can be calculated with the following formula.

\rm pH=log[H^{+}]

Here, [H⁺] is the molar hydrogen ion concentration.

The pH of lemon juice at 298 K is found to be 2. 32. Put this value of pH in the above formula as,

\rm 2.32=log[H^{+}]\\\ [H^{+}]=4.79\times10^{-3} \rm \; M

Hence, the concentration of ions in the solution of lemon juice whose pH value is 2.32 is 4.79×10⁻³ M.

Learn more about the pH value here;

brainly.com/question/940314

8 0
2 years ago
James correctly answered 85% of the 60 problems on his math test. How many questions did James answer correctly❄️
harina [27]

Answer:

James answered 51 questions correctly.

Step-by-step explanation:

1) Slide the decimal 2 places to the left in the percentage (85% = .85)

2) Multiply total by new decimal (60 x .85)

3) All done! (51)

Keep in mind that 100% is just 1 whole. Therefor 85% of one whole is .85. In this problem, 60 represents our whole.

3 0
3 years ago
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