if you assume that the observations in the sample are independent, what is the smallest value the sample size could be to meet the conditions for this hypothesis test?

Answers

Answer 1

Answer:

Final answer:

To meet the conditions for a hypothesistest assuming independent observations, the sample size should have at least five successes and failures, and the population should be at least 10 or 20 times the size of the sample.

Explanation:

In order to meet the conditions for a hypothesistest that assumes independentobservations in the sample, the sample size should be such that each sample has at least five successes and five failures. Additionally, the population must be at least 10 or 20 times the size of the sample to avoid over-sampling and incorrect results.

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The table shows the amount that each person spend on snacks, games, and souvenirs the las time they went to the carnival.Sinea- snacks $5/ games $8/ souvenirs $12
Ren- snacks $10/ games $8/ souvenirs $20

A. Siena wants to spend money using the same ratios as on her last trip to the carnival. If she spends $26 on games, how much will she spend on souvenirs?
B. Ren wants to spend money using the same ratios as on his last trip to the carnival. If he spends $5 on souvenirs, how much will he spend on snacks?

Answers

Let

x-------> money spent in snacks

y-------> money spent in games

z-------> money spent in souvenirs

we know that

Siena's ratios

$(x)/(y) =(5)/(8) \n\n (x)/(z)= (5)/(12) \n \n (y)/(z) =(8)/(12)$

Ren's ratios

$(x)/(y) =(10)/(8) \n\n (x)/(z)= (10)/(20) \n \n (y)/(z) =(8)/(20)$

Part A) A. Siena wants to spend money using the same ratios as on her last trip to the carnival. If she spends $ $26$ on games, how much will she spend on souvenirs?

$(y)/(z) =(8)/(12) \n \n 12y=8z\n \n z=(12)/(8) y$

$y=26$ -----> money spent in games

substitute the value of y

$z=(12)/(8) y\n \n z=(12)/(8) *26\n \n z=39$

therefore

the answer Part A) is

Siena spend on souvenirs $ $39$

Part B) Ren wants to spend money using the same ratios as on his last trip to the carnival. If he spends $ $5$ on souvenirs, how much will he spend on snacks?

$(x)/(z) =(10)/(20) \n \n 20x=10z\n \n x=(1)/(2) *z$

$z=5$ ----> money spent in souvenirs

Substitute the value of z

$x=(1)/(2) *z\n \n x=(1)/(2) *5\n \n x=2.5$

therefore

the answer part B) is

Ren spend on snacks $ $2.5$

This is a problem of proportions. The initial data gives you the ratios, then you can use them to build proportions for each case. A. Siena's game to souvenier ratio is 8/12 then you can build the proportion: 8/12 = 26/x and solve for x: x = 26*12/8 = 17.33 B. Ren's souvenier to snacks ratio is 20 / 10, the the proportion is 20 / 10 = 5 / x => x = 5 * 10 / 20 = 2.5

9/5 - 4/3 = 1/3 8/15 7/15 1 1/15

Answers

The answer is 7/15.
Hope this helps

Your answer would be 7/15

Data were collected on the distance a home is located from a major city, x (in miles), and the selling price of the home, y (in thousands of dollars). The scatterplot of the data yielded a linear equation, y =31.0+3.12x. Identify the slope and y-intercept of the regression equation.

Answers

Answer:

Step-by-step explanation: hey you know whats crazy we are doing the same problem i just did it so cross multiply y and x then divide b 100 and you will get your answer you can also use a couculator we us e them is school

Final answer:

The slope and y-intercept of the regression equation 'y =31.0+3.12x' are 3.12 and 31.0, respectively. It suggests for every mile increase in distance from a major city, the price of a home increases by $3,120 and a home in the city costs $31,000 as base price.

Explanation:

In your regression equation, y =31.0+3.12x, 'y' represents the selling price of a home and 'x' is the distance it is located from a major city. The slope of the line, represented by 3.12, translates to every mile increase in distance from a major city, there's an increase of $3,120 in the home price. The y-intercept is 31.0, which means when the distance from a major city is zero miles (i.e., the home is in the city), the base price of the home is $31,000.

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K=A+32 solve for Variable A

Answers

$K=A+32\n\nA+32=K\ \ \ \ |subtract\ 32\ from\ both\ sides\n\n\boxed{A=K-32}$

K=A+32
A=K-32
.........

Based on the table,what is the best
prediction of the
number of clicks on
the advertisement if
1,500 people visit the
website?
F. 7
G. 137
H. 83
J. 105

PLEASE HELP
ILL GIVE YOU BRAINIEST

Answers

The linear relation is y = 0.049x + 8.606 then the value of y is 83. Then the correct option is H.

What is the linear system?

A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.

The linear relation is given as

$\rm y - 63 = (63-60)/(1106-1045) (x - 1106)\n\ny = 0.049x+8.606$

For x = 1500, then the value of y will be

$\rm y = 0.049* 1500+8.606\n\ny = 82.37 \approx 83$

More about the linear system link is given below.

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H. 83 would be the best prediction because when there was 510 visits there was 32 clicks so u multiply 32 times 3 and get 96 but since it’s 510 visits and not 500, 83 would be the most predictable :)

Factor this please: x^4-9x^2+20

Answers

Your answer is (x+2)(x-2)(x^2-5)

x = ± √5 = ± 2.2361 x = 2 x = -2

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