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3 years ago

PLS HELP ASAP

Mathematics

1 answer:

Mrrafil [7]3 years ago

3 0

The answer is 2, yous add all of them up and divide by how many there are.

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The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.

Rufina [12.5K]

Answer:

babala

Step-by-step explanation:

The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.

a) What are the mean and standard deviation of the number of universal donors among the 6 people?

b) What is the probability that there are exactly three universal donors?

7 0

3 years ago

A function is shown in the table.

Anna71 [15]

Given:
x g(x)
−3 17
−1 −3
0 −4
2 13

The true statement for the given function is:
The function is decreasing from x = −3 to x = −1.

As you can see, when x = -3 the corresponding value of the function is 17 but when x = -1 the corresponding value is -3. There is a decrease of 20. → 17 - 20 = -3

3 0

3 years ago

Read 2 more answers

One number is six greater than another. if the sum of the two numbers is 44, find the numbers

mylen [45]

44-6=38/2=19+6=25+19=44

The numbers are 19 and 25

3 0

3 years ago

If the volume of a sphere is 660 mm, what is the radius of the sphere, to the nearest tenth of a millimeter?

n200080 [17]

Answer:

Radius= 5.4

Step-by-step explanation:

Formula for Sphere- V= 4/3(pi)• r^3

r=(3 V/4 pi) = (3•660/4•pi)= 5.40114 (5.4)

5 0

2 years ago

In a group of a hundred and fifty students attending a youth workshop in mombasa, 125 of them are fluent in kiswahili, 135 in en

jek_recluse [69]

Answer:

The probability that a student chosen at random is fluent in English or Swahili.

P(S∪E) = 1.1

Step-by-step explanation:

Step(i):-

Given total number of students n(T) = 150

Given 125 of them are fluent in Swahili

Let 'S' be the event of fluent in Swahili language

n(S) = 125

The probability that the fluent in Swahili language

$P(S) = \frac{n(S)}{n(T)} = \frac{125}{150} = 0.8333$

Let 'E' be the event of fluent in English language

n(E) = 135

The probability that the fluent in English language

$P(E) = \frac{n(E)}{n(T)} = \frac{135}{150} = 0.9$

n(E∩S) = 95

The probability that the fluent in English and Swahili

$P(SnE) = \frac{n(SnE)}{n(T)} = \frac{95}{150} = 0.633$

Step(ii):-

The probability that a student chosen at random is fluent in English or Swahili.

P(S∪E) = P(S) + P(E) - P(S∩E)

= 0.833+0.9-0.633

= 1.1

Final answer:-

The probability that a student chosen at random is fluent in English or Swahili.

P(S∪E) = 1.1

8 0

3 years ago