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3 years ago

Can someone please help me solve this problem I don’t know if it’s A B C or D !!! Help help !!!!

Mathematics

1 answer:

vovikov84 [41]3 years ago

6 0

The answer is d. I hope this helped.

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Which is the area of a rectangle with a length of 21 feet and a width of 15 feet?

MA_775_DIABLO [31]

Answer:

315

Step-by-step explanation:

Area = Length x Width

Area = 21 x 15

Area = 315

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3 years ago

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How do you write 309,099,990 in expanded form

kolbaska11 [484]

Three hundred million, ninety nine thousand, nine hundred ninety <span />

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3 years ago

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A limited edition poster increases in value each year. After 1 year, the poster is worth $20.70. After 2 years, it is worth $23.

Trava [24]

Answer:

y=3.11x

Step-by-step explanation:

Not sure if it's correct. But my reasoning behind it is that 23.81-20.70=3.11 which means every year the cost goes up by $3.11

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4 years ago

What is 22+6\3= because i have it in my homework i need do know

Dmitriy789 [7]

The answer is 24. to get this answer you would follow PEMDAS which means you divide first.

6 ÷ 3 =2 , so 22 + 2= 24

hopefully this helps

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3 years ago

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You have been hired as the quality control office of a pharmaceutical company that manufactures aspirin tablets. According to th

Firlakuza [10]

Answer:

$P(X=0)=(24C0)(0.04)^0 (1-0.04)^{24-0}=0.375413$

$P(X=1)=(24C1)(0.04)^1 (1-0.04)^{24-1}=0.$

So then the probability that the batch would be accepeted is:

$0.375413+0.375413=0.7508$

Step-by-step explanation:

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=24, p=0.04)$

On this case p=0.04 represent the probability that a random the tablet would be NOT accepted

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

They accept the batch if there is only one or no tablet that doesn’t meet the test specification, so let's find the individual probabilities for this case:

$P(X=0)=(24C0)(0.04)^0 (1-0.04)^{24-0}=0.375413$

$P(X=1)=(24C1)(0.04)^1 (1-0.04)^{24-1}=0.$

So then the probability that the batch would be accepeted is:

$0.375413+0.375413=0.7508$

3 0

3 years ago