What number should be -28 to make 0?

g A probability experiment is conducted in which the sample space of the experiment is Upper S equals StartSet 9 comma 10 comma

Mars2501 [29]

Answer:

$P(E^c)=\dfrac{1}{3}$

Step-by-step explanation:

The sample space for the experiment is:

$S=\{9,10,11,12,13,14,15,16,17,18,19,20\}$

Number of elements in S, n(S)=12

Given an event E such that:

$E=\{10,11,12,13,14,15,16,17\}$

Number of elements in E, n(E)=8

The outcomes in the complement of E are the outcomes in S that are not in E.

$E^c=\{9,18,19,20\}$

Number of elements in the complement of E, $n(E^c)=4$

Therefore:

$P(E^c)=\dfrac{n(E^c)}{n(S)}\\ =\dfrac{4}{12}\\P(E^c)=\dfrac{1}{3}$

8 0

3 years ago

Definition: A __________________________ is your list of all income and planned expenses.

MatroZZZ [7]

Answer:

personal budget

Step-by-step explanation:

Drawing up a budget is a good way to plan your expenditure based on how much money you expect to receive. Budgets are often estimates, because you cannot easily include unexpected expenses in a budget. However, you can plan to save some money that you can use in the event of an unexpected expense. Budgeting includes normal monthly budgeting and budgeting for particular expenses, such as an expensive item that you want to buy, a project or a trip overseas.

4 0

4 years ago

In recent years the mean number of miles driven per year by residents of a particular state was 11,568. A researcher wishes to t

aleksandrvk [35]

Answer:

The degrees of freedom are given by:

$df =n-1= 62 -1=61$

And we want to find a critical value on the t distribution with 61 degrees of freedom who accumulates 0.025 of the area on each tail and the critical value would be $t_{\alpha/2}= \pm 2.00$

And the rejection region would be $|t_{calc}| >2.00$

Step-by-step explanation:

Data given and notation

$\bar X=10822$ represent the sample mean

$s=1741$ represent the sample standard deviation

$n=62$ sample size

$\mu_o =11568$ represent the value that we want to test

$\alpha=0.05$ 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 true mean differs from 11568, the system of hypothesis would be:

Null hypothesis: $\mu =11568$

Alternative hypothesis: $\mu \neq 11568$

The degrees of freedom are given by:

$df =n-1= 62 -1=61$

And we want to find a critical value on the t distribution with 61 degrees of freedom who accumulates 0.025 of the area on each tail and the critical value would be $t_{\alpha/2}= \pm 2.00$

And the rejection region would be $|t_{calc}| >2.00$

8 0

3 years ago

.72(x)+.20(100x)=35<br> How do you solve this?

ValentinkaMS [17]

Answer: 1.689

Step-by-step explanation:

To solve .72(x)+.20(100x)=35

We first open the brackets to give

0.72x + 20x = 35

20.72x = 35

Divide both sides by 20.72 to get the value of x

x = 35/20.72

x = 1. 689

5 0

3 years ago

What is the are of a parallelogram with 15 inches and 8 inches

malfutka [58]

Answer:

120 in ^2

Step-by-step explanation:

8 0

3 years ago

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