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ololo11 [35]
3 years ago
6

Sean's mother asked him to buy 5.5 cups of cream for a recipe. He found a 4-cu

Mathematics
1 answer:
rjkz [21]3 years ago
4 0

Answer:

yes

Step-by-step explanation:

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A stadium has a total of 18,000 seats. Of these, 9,500 are field seats, and the rest are grandstand seats. Complete an equation
Angelina_Jolie [31]

Answer:

Wow, thanks for all the points!

Step-by-step explanation:

Heres your equation:

18,000 - 9,500 = <em>s.</em>

Theres your equation, have a nice day/afternoon/evening/night.

6 0
3 years ago
In a survey of 603 adults, 98 said that they regularly lie to people conducting surveys. Create a 99% confidence interval for th
marysya [2.9K]

Answer:

The population proportion is estimated to be with 99% confidence within the interval (0.1238, 0.2012).

Step-by-step explanation:

The formula for estimating the population proportion by a confidence interval is given by:

\hat{p}\pm z_{\alpha /2}\times\sqrt{\frac{\hat{p}\times(1-\hat{p})}{n}}

Where:

\hat{p} is the sample's proportion of success, which in this case is the people that regularly lie during surveys,

z_{\alpha /2} is the critical value needed to find the tails of distribution related to the confidence level,

n is the sample's size.

<u>First</u> we compute the \hat{p} value:

\hat{p}=\frac{successes}{n}=\frac{98}{603}=0.1625

<u>Next</u> we find the z-score at any z-distribution table or app (in this case i've used StatKey):

z_{\alpha /2}=2.576

Now we can replace in the formula with the obtained values to compute the confidence interval:

\hat{p}\pm z_{\alpha /2}\times\sqrt{\frac{\hat{p}\times(1-\hat{p})}{n}}=0.1625\pm 2.576\times\sqrt{\frac{0.1625\times(1-0.1625)}{603}}=(0.1238, 0.2012)

5 0
3 years ago
The express the area of the entire rectangle
Sonja [21]

Answer:

area= x^2+8x+7

Step-by-step explanation:

a=l*w

l=x+7

w=x+1

a=(x+7)(x+1)

a= x^2+8x+7

5 0
3 years ago
7 times as much as the sum of 1/3 and 4/5​
Anika [276]
The correct answer should 1.1333
5 0
3 years ago
Read 2 more answers
Is my answer correct? If not what’s the right answer
pochemuha

Answer:

Yup, 27 is correct!

Step-by-step explanation:

5(7)-8

= 35 - 8

= 27

8 0
3 years ago
Read 2 more answers
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