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soldi70 [24.7K]
3 years ago
5

What i thissss pls help

Mathematics
2 answers:
zubka84 [21]3 years ago
8 0

Answer: A

Step-by-step explanation:

5 is in the ones place rather that the tens place.

MissTica3 years ago
3 0
The answer is a! yea im aware this was already answered just trying to find some things to answer
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4/9−(−4/9) need to make longer
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Answer:

8/9

Step-by-step explanation:

4/9 + 4/9

add numerators

4 0
3 years ago
Express 236.7 miles in 4.5 days as a unit rate
Andre45 [30]
The answer would be 52.6 miles per 1 day. Take 236.7 and divide it by 4.5.
6 0
4 years ago
Kenya has 2 hours to make a 104 mile road trip. What rate must she average to make the trip in 2 hours?
stiv31 [10]
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8 0
3 years ago
A high school statistics class wants to estimate the average number of chocolate chips in a generic brand of chocolate chip cook
Viktor [21]

Answer:

Correct option:

We are 95% certain that the confidence interval of 18.6 to 21.3 includes the true average number of chocolate chips per cookie.

Step-by-step explanation:

The general formula for the (1 - <em>α</em>)% confidence interval for population<em> </em>mean is:

CI=\bar x\pm CV \times SE_{\bar x}

Here:

\bar x = sample mean

CV = critical value

SE_{\bar x} = standard error of mean.

The (1 - <em>α</em>)% confidence interval for population parameter implies that there is a (1 - <em>α</em>) probability that the true value of the parameter is included in the interval.

Or, the (1 - <em>α</em>)% confidence interval for the parameter implies that there is (1 - <em>α</em>)% confidence or certainty that the true parameter value is contained in the interval.

The 95% confidence interval for the mean number of chocolate chips per cookie is (18.6, 21.3).

This 95% confidence interval implies that there is a 0.95 probability that the true mean number of chocolate chips per cookie is between 18.6 and 21.3.

Thus, the correct option is:

"We are 95% certain that the confidence interval of 18.6 to 21.3 includes the true average number of chocolate chips per cookie. "

6 0
3 years ago
Sam said the square root of a rational number must be a rational number. Jenna disagreed. She said that it is possible that the
Nat2105 [25]
Jenna is correct.  This is because the square root of 2 is an irrational number.  And if the number is a prime number, the answer is less likely to have a rational square root.
6 0
3 years ago
Read 2 more answers
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