HELP ME PLEASE :(

Mathematics

2 answers:

Serjik [45]3 years ago

6 0

Answer:

1,185.6 in. cubed

Step-by-step explanation:

I got it right

Alina [70]3 years ago

5 0

Correct option D) 1,185.6 inches cubed .

Step-by-step explanation:

Here we have , A triangular prism. The triangular base has a base of 12 inches and height of 10.4 inches. The height of the prism is 19 inches. We need to find the volume of the triangular prism .Let's find out:

We have following parameters :

$b=12 inches\\h=10.4inches\\l=19inhes$

We know that , Volume of triangular prism is :

⇒ $Volume = \frac{1}{2}b(h)(l)$

⇒ $Volume = \frac{1}{2}12(10.4)(19)$

⇒ $Volume = 6(10.4)(19)$

⇒ $Volume = 1,185.6in^3$

Therefore , Correct option D) 1,185.6 inches cubed .

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A survey of an urban university showed that 750 of 1,100 students sampled attended a home football game during the season. Using

sattari [20]

Answer:

b. 0.6592 and 0.7044

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence interval $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

A survey of an urban university showed that 750 of 1,100 students sampled attended a home football game during the season. This means that $n = 1100, p = \frac{750}{1100} = 0.6818$