Find the product: (74.862)(5.901

Mathematics

1 answer:

Anna71 [15]4 years ago

3 0

<span> 441.760662 is the answer

hope this helps :)</span>

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Solve for x. NEED HELP

TiliK225 [7]

Answer:

22.470

Step-by-step explanation:

In this example you have to use the trigonometric function sine which is defined as $sin(\theta) = \frac{opposite}{hypotenuse}$

Plug in known values:

$sin(64) = \frac{x}{25}$

Multiply both sides by 25

$sin(64) * 25 = x$

Approximate sin(64) using a calculator:

$0.89879 * 25 = x$

Simplify

$22.470 \approx x$

7 0

2 years ago

A company manufactures tires at a cost of $40 each. The following are probabilities of defective tires in a given production run

asambeis [7]

Answer:

The expected cost of the company for a 3000 tires batch is $120255

Step-by-step explanation:

Recall that given a probability of defective tires p, we can model the number of defective tires as a binomial random variable. For 3000 tires, if we have a probability p of having a defective tire, the expected number of defective tires is 3000p.

Let X be the number of defective tires. We can use the total expectation theorem, as follows: if there are $A_1,\dots, A_n$ events that partition the whole sample space, and we have a random variable X over the sample space, then

$E(X) = p(A_1)E(X|A_1) + \dots + p(A_n)E(X|A_n)$ .

So, in this case, we have the following

$E(X) = P(p=0\%)E(X|p=0\%)+P(p=1\%)E(X|p=1\%)+P(p=2\%)E(X|p=2\%)+P(p=3\%)E(X|p=3\%) = 0.1\cdot 3000\cdot 0 + 0.3\cdot 3000\cdot 0.01+ 0.4\cdot 3000\cdot 0.02+ 0.2\cdot 3000\cdot 0.03 = 51$ .