All categories

3 years ago

Is this correct and if not please tell me what I did

Mathematics

1 answer:

Butoxors [25]3 years ago

5 0

This is wrong because 27+4+12 is not 35 it is 43

You might be interested in

a random sample of 4 claims are selected from a lot of 12 that has 3 nonconforming units. using the hypergeometric distribution

Sloan [31]

Answer:

The probability that the sample will contain exactly 0 nonconforming units is P=0.25.

The probability that the sample will contain exactly 1 nonconforming units is P=0.51.

Step-by-step explanation:

We have a sample of size n=4, taken out of a lot of N=12 units, where K=3 are non-conforming units.

We can write the probability mass function as:

$P(x=k)=\frac{\binom{K}{k}\binom{N-K}{n-k}}{\binom{N}{n}}$

where k is the number of non-conforming units on the sample of n=4.

We can calculate the probability of getting no non-conforming units (k=0) as:

$P(x=0)=\frac{\binom{3}{0}\binom{9}{4}}{\binom{12}{4}}=\frac{1*126}{495}=\frac{126}{495} = 0.25$

We can calculate the probability of getting one non-conforming units (k=1) as:

$P(x=1)=\frac{\binom{3}{1}\binom{9}{3}}{\binom{12}{4}}=\frac{3*84}{495}=\frac{252}{495} = 0.51$

5 0

3 years ago

Which equation represents an exponential function that passes through the point (2, 36)?

Zepler [3.9K]

Answer: It would be the first equation because:

Step-by-step explanation:

In order to be an exponential function, the X

variable has to be in the exponent, that eliminates

the second and fourth answers

f(X) = 4(3)X

using the point (2,36)

f(2) = 4 (3)2

= 4 (9 )

= 36

6 0

2 years ago

Read 2 more answers

If a sphere has a circumference of 138.16 in., what is the surface area of the sphere?

BigorU [14]

The surface area is 6075.96 in^3

5 0

3 years ago

Is the center of dilation colinear with the hypotenuses of the right triangles shown?

Novay_Z [31]

Answer:

the answer is b

Step-by-step explanation:

i did the quiz

7 0

3 years ago

From 20 to 30 round to nearest percent

snow_lady [41]

They are already rounded but 20% and 30% should be correct.

8 0

3 years ago