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3 years ago

Select the correct answer.

Mathematics

1 answer:

Marrrta [24]3 years ago

8 0

Answer:

D makes an annuity. for annuity u have to make equal deposit regularly. so i think its D

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According to data from the state blood program, 40 percent of all individuals have group A blood. If six individuals give blood,

Serjik [45]

Answer: 0.27648

Step-by-step explanation:

Given : The proportion of all individuals have group A blood : p=0.040

Total individuals give blood : n= 6

Let X be the number of individuals have group A blood.

Since all individual are independent of each other.

$X\sim Bin(n=6, p=0.40)$

Formula : $P(X=x)=^nC_xp^x(1-p)^{n-x}$ , where n= sample size , p = probability of getting success in each trial.

The probability that exactly three of the individuals have group A blood. :

$P(x=3)= ^6C_3(0.40)^3(1-0.4)^3\\\\= \dfrac{6!}{3!3!}\times(0.40)^3(0.60)^3\\\\=0.27648$

The probability that exactly three of the individuals have group A blood. is 0.27648

8 0

3 years ago

A rectangular box is 5 in. wide, 5 in. tall, and 4 in. long. What is the diameter of the smallest circular opening through whi

Katyanochek1 [597]

Answer:

7 (7.07106781187)

Step-by-step explanation:

All you have to do is find the diameter of the rectangle from two farthest corners. To do this, use the Pythagorean Theorem

(5^2) + (5^2) = c^2

25 + 25 = c^2

50 = c^2

7 ≈ c

8 0

3 years ago

How many centimeters are in 2.5 meters?

devlian [24]

Answer:

250

Step-by-step explanation:

1 meter = 100 centimeters

2.5 x 100 = 250

7 0

3 years ago

Read 2 more answers

Read the excerpt from "Flowers for Algernon."

jek_recluse [69]

Answer:

Step-by-step explanation:

6 0

3 years ago

In the figures, name the congruent sides.

Mice21 [21]

The second answer is correct. On the paper, CD are in the same spots as XY, and so forth for the other segments.

7 0

3 years ago