Answer:

**Answer:**

**Step-by-step explanation:**

A coral reef grows 0.14 m every week. How much does it grow in 14 weeks? Write your answer in millimeters.

Jack has a summer job caddying at a golf course. Jack earns $120a week. By rounding his weekly income to the nearest hundreddollars, find a reasonable estimate for his total income during the12 week summer.A) $700B) $800C) $1200D) $1700

The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best reate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 10 Southwest flights and observing whether they arrive on time. (a) Find the probability that at least 3 flights arrive late.

Is -0.00992 a rational or irrational number?

Problem 8-19 Because of high tuition costs at state and private universities, enrollments at community colleges have increased dramatically in recent years. The following data show the enrollment (in thousands) for Jefferson Community College for the nine most recent years. Click on the datafile logo to reference the data. Year Period (t) Enrollment (1,000s) 1 1 6.5 2 2 8.1 3 3 8.4 4 4 10.2 5 5 12.5 6 6 13.3 7 7 13.7 8 8 17.2 9 9 18.1 Use simple linear regression analysis to find the parameters for the line that minimizes MSE for this time series.If required, round your answers to two decimal places.y-intercept, b0 = 4.7.17Slope, b1 = 1.46MSE = ???????? NEED THISWhat is the forecast for year 10? 19.283Round your interim computations and final answer to two decimal places.

Jack has a summer job caddying at a golf course. Jack earns $120a week. By rounding his weekly income to the nearest hundreddollars, find a reasonable estimate for his total income during the12 week summer.A) $700B) $800C) $1200D) $1700

The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best reate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 10 Southwest flights and observing whether they arrive on time. (a) Find the probability that at least 3 flights arrive late.

Is -0.00992 a rational or irrational number?

Problem 8-19 Because of high tuition costs at state and private universities, enrollments at community colleges have increased dramatically in recent years. The following data show the enrollment (in thousands) for Jefferson Community College for the nine most recent years. Click on the datafile logo to reference the data. Year Period (t) Enrollment (1,000s) 1 1 6.5 2 2 8.1 3 3 8.4 4 4 10.2 5 5 12.5 6 6 13.3 7 7 13.7 8 8 17.2 9 9 18.1 Use simple linear regression analysis to find the parameters for the line that minimizes MSE for this time series.If required, round your answers to two decimal places.y-intercept, b0 = 4.7.17Slope, b1 = 1.46MSE = ???????? NEED THISWhat is the forecast for year 10? 19.283Round your interim computations and final answer to two decimal places.

0.00031668953869. that's what it is

Exact Form - 3/9,473

Decimal Form - 0.00031668953869.

Decimal Form - 0.00031668953869.

**Answer:**

the answer is 6

**Step-by-step explanation:**

**Answer:**

6

**Step-by-step explanation:**

Hope this helps!!!!!!

72

**Answer:**

72 = {2,2,2,3,3}

**Step-by-step explanation:**

**72**

**8****9**

**2****4****3****3**

**2****2**

2. Find the value of the Test Statistic.

3. Find the p-value

4. State your decision (Reject or not)

5. State your conclusion.

**Answer:**

**Case I**

Null hypothesis:

Alternative hypothesis:

Since is a two sided test the p value would given by:

If we compare the p value and the significance level given we see that so we can conclude that we have enough evidence to reject the null hypothesis.

We can say that at 5% of significance the true mean is different from 64.

**Case II**

Null hypothesis:

Alternative hypothesis:

The statistic not changes but the p value does and we have:

And we reject the null hypothesis on this case.

So we can conclude that the true mean is significantly higher than 64 at 5% of singnificance

**Step-by-step explanation:**

**Data given and notation **

represent the sample mean

represent the sample standard deviation

sample size

represent the value that we want to test

represent the significance level for the hypothesis test.

t would represent the statistic (variable of interest)

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 population mean is different from 64 the system of hypothesis are :

Null hypothesis:

Alternative hypothesis:

Since we don't know the population deviation, is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:

(1)

**t-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:

**P-value **

We need to calculate the degrees of freedom first given by:

Since is a two sided test the p value would given by:

**Conclusion **

If we compare the p value and the significance level given we see that so we can conclude that we have enough evidence to reject the null hypothesis.

We can say that at 5% of significance the true mean is different from 64.

Now let's assume that we want to see if the mean is significantly higher than 64

Null hypothesis:

Alternative hypothesis:

The statistic not changes but the p value does and we have:

And we reject the null hypothesis on this case.

So we can conclude that the true mean is significantly higher than 64 at 5% of singnificance

The median is 31.83

Because:

14 + 18 + 31 + 34 + 44 + 50 = 191

191 / 6 = 31.83 (the median)

Because:

14 + 18 + 31 + 34 + 44 + 50 = 191

191 / 6 = 31.83 (the median)

Given data:

The given expression is 4s-12=5s+51.

The given expression can be written as,

4s-12=5s+51

4s-5s=51+12

-s=63

s=-63

Thus, the value of s is -63.