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3 years ago

The library drawer-upon-drawer file that contains information about every book in the library is called the card catalog.

Mathematics

2 answers:

lawyer [7]3 years ago

6 0

The answer would be TRUE i hope this helps :)

yuradex [85]3 years ago

3 0

True.
Have a good day!~

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S_A_V [24]

Answer:

Step-by-step explanation:

5 + 6 + 4 = 15

Small - 5/15 = 1/3

Large - 4/15 = 4/15

The probability that he grabs a Large-sized shirt would be 4/15, which is around 26.7%. After that, he will grab a Small-sized shirt, which would have a probability of 33.33%. After combining the two, the only answer choice that could possibly make any sense is C. (using the process of elimination.)

7 0

3 years ago

George is 14 years old. His age is 2 years more than twice his brother, Jhon's age. How old is John?

Luda [366]

Answer:

Step-by-step explanation:

14×2=28

28+2=30

i hate riddles

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2 years ago

chelsey needs 18 3/4 grams of chemical x for a science project she found 5 1/2 grams in one container and 11 1/4 grams in anothe

andrew11 [14]

Answer: C=2

Step-by-step explanation:

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3 years ago

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On a maps coordinate grid, Walt City is located at (-1,-3) and Koshville is located at (4,9). How long is a trains route as the

Valentin [98]

5 blocks away from W to K.

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3 years ago

Silicone implant augmentation rhinoplasty is used to correct congenital nose deformities. The success of the procedure depends o

Rus_ich [418]

<h2><u>Answer with explanation:</u></h2>

Let $\mu$ be the population mean strain in a way that conveys information about precision and reliability.

The sample mean is the best point estimate of the true population mean .

As per given , we have

Sample size : n= 12

degree of freedom : $df=12-1=11$

Sample mean : $\overline{x}=25.0$

The true average strain in a way that conveys information about precision and reliability= 25.0

sample standard deviation : s= 3.3

Significance level : $\alpha= 0.05$

Since sample population standard deviation is unknown , so we use t-test.

Critical t-value for t : $t_{\alpha/2, df}=t_{0.025, 11}=2.201$

95% Confidence interval for true average strain in a way that conveys information about precision and reliability:

$\overline{x}\pm t_{\alpha/2, df}\dfrac{s}{\sqrt{n}}$

$25.0\pm (2.201)\dfrac{3.3}{\sqrt{12}}\\\\=\approx 25.0\pm2.10\\\\=(25.0-2.10, 25.0+2.10)=(22.9,\ 27.1)$

The 95% Confidence interval for true average strain in a way that conveys information about precision and reliability: $(22.9,\ 27.1)$

We 95% confident that the true population average strain in a way that conveys information about precision and reliability lies between 22.9 and 27.1 .

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3 years ago