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3 years ago

8

Please answer this correctly without making mistakes I want ace expert and genius people to answer this correctly without making

mistakes

2 answers:

Bond [772]3 years ago

6 0

Answer:

6+g/5

Step-by-step explanation:

Tell me if you need explanation

Lana71 [14]3 years ago

3 0

Answer:

(g+6)/5

Step-by-step explanation:

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A study is conducted to determine if a newly designed text book is more helpful to learning the material than the old edition. T

CaHeK987 [17]

Answer:

We need to conduct a hypothesis in order to check if the mean is higher than 75, the system of hypothesis are :

Null hypothesis: $\mu \leq 75$

Alternative hypothesis: $\mu > 75$

A. One-Tailed

$z=\frac{82.2-75}{\frac{10.4}{\sqrt{10}}}=2.189$

$p_v =P(z>2.189)=0.0143$

If we compare the p value and the significance level given $\alpha=0.01$ we see that $p_v>\alpha$ so we can conclude that we have enough evidence to FAIL to reject the null hypothesis.

Step-by-step explanation:

Data given and notation

We have the following data: 84 94 80 88 77 68 90 74 96 71

We can calculate the sample mean with the following formula:

$\bar X =\frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X=82.2$ represent the sample mean

$\sigma=10.4$ represent the population standard deviation

$n=10$ sample size

$\mu_o =75$ represent the value that we want to test

$\alpha=0.01$ represent the significance level for the hypothesis test.

z would represent the statistic (variable of interest)

$p_v$ represent the p value for the test (variable of interest)

State the null and alternative hypotheses.

We need to conduct a hypothesis in order to check if the mean is higher than 75, the system of hypothesis are :

Null hypothesis: $\mu \leq 75$

Alternative hypothesis: $\mu > 75$

A. One-Tailed

Since we know the population deviation, is better apply a z test to compare the actual mean to the reference value, and the statistic is given by:

$z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}}$ (1)

z-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".

Calculate the statistic

We can replace in formula (1) the info given like this:

$z=\frac{82.2-75}{\frac{10.4}{\sqrt{10}}}=2.189$

P-value

Since is a ONE-TAILED test the p value would given by:

$p_v =P(z>2.189)=0.0143$

Conclusion

If we compare the p value and the significance level given $\alpha=0.01$ we see that $p_v>\alpha$ so we can conclude that we have enough evidence to FAIL to reject the null hypothesis.

5 0

3 years ago

In this figure shown, m and n are parallel lines. What’s the value x?

Debora [2.8K]

17 on the I think mark ifim right

4 0

3 years ago

Solve for h <br><br> V=1/3 X3.14....Xrsquaredh

kipiarov [429]

V=1.046 that’s my answer

5 0

3 years ago

Warner Company's year-end unadjusted trial balance shows accounts receivable of $99,000, allowance for doubtful accounts of $600

Burka [1]

Answer:

Bad debt expense Dr ($140,000 × 1%) $1,400

To Allowance for doubtful debts $1,400

(Being the bad debt expense is recorded)

Step-by-step explanation:

The adjusting entry is shown below:

Bad debt expense Dr ($140,000 × 1%) $1,400

To Allowance for doubtful debts $1,400

(Being the bad debt expense is recorded)

Here the bad debt expense is debited as it increased the expenses and credited the allowance for doubtful debts as it decreased the assets

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3 years ago

what is the slope intercept form of the equation of the line that passes through the points (9, 5) and (4, 1)

Morgarella [4.7K]

The slope is 4/5 if your points are between (9,5) and (4,1)

5 0

4 years ago