1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
maw [93]
3 years ago
9

Suppose that nine-digit Social security numbers are assigned at random. If you randomly select a number, what is the probability

that it belongs to one of the 300 million people in the United States?
Mathematics
1 answer:
Rina8888 [55]3 years ago
6 0

Answer:  0.3 .

Step-by-step explanation:

The digits in number system = 10      ( 0 to 9)

The total different nine-digit Social security numbers  = 10^9  [By Fundamental counting principle]

=1,000,000,000   = 1 billion

Total people in united state = 300 million = 300, 000 ,000

Since each person In US have equal chance to get chosen.

Therefore , if a number is selected randomly  , then the probability that it belongs to one of the 300 million people in the United States :-

=\dfrac{300, 000 ,000}{1,000, 000 ,000}=0.3

Hence, the required probability is 0.3 .

You might be interested in
Help help help help​
Allushta [10]

Answer:

why you color out the first part? what exctly is the question?

Step-by-step explanation:

6 0
3 years ago
11/4 hours 19/8 hours 2.6 hours witch is closest to 2 hours?
ExtremeBDS [4]

Answer:

\frac{19}{8} hours is closest to 2 hours.

Step-by-step explanation:

We have been given three numbers and we need to decide which of the three numbers is closest to 2.

In order to decide that, we will convert each of the given numbers into decimals and then we will compare.

\frac{11}{4} =2.750\\\frac{19}{8}=2.375\\2.6=2.600

Upon comparing 2.750, 2.375 and 2.600 we know that 2.375 is closest to 2. Therefore, out of the given three numbers, \frac{19}{8} is closest to 2.

4 0
3 years ago
The proportions of blood phenotypes, A, B, AB, and O, in the population of all Caucasians in the United States are approximately
Vanyuwa [196]

Answer:

a. S = {A,B,AB,O}

b. P(A) = 0.41, P(B) = 0.1, P(AB) = 0.04, P(O) = 0.45

c. 0.45 = 45% probability that the person chosen at random has either type A or type AB blood

Step-by-step explanation:

a List the sample space for this experiment.

All possible blood types(A, B, AB or O). So

S = {A,B,AB,O}

b Make use of the information given above to assign probabilities to each of the simple events.

The proportions of blood phenotypes, A, B, AB, and O, in the population of all Caucasians in the United States are approximately .41, .10, .04, and .45, respectively.

So

P(A) = 0.41, P(B) = 0.1, P(AB) = 0.04, P(O) = 0.45

c What is the probability that the person chosen at random has either type A or type AB blood

P(A) + P(AB) = 0.41 + 0.04 = 0.45

0.45 = 45% probability that the person chosen at random has either type A or type AB blood

6 0
2 years ago
Help a bab out with something, please?
Nuetrik [128]

Answer:

18

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The parameters of a linear function are the slope and the y-intercept
taurus [48]

Answer:

see the explanation

Step-by-step explanation:

we know that

A linear function in slope intercept form is equal to

f(x)=mx+b

where

m is the slope or unit rate

b is the y-intercept

x is the independent variable or input value

f(x) is the dependent variable or output value

In this problem we have

f(m)=5+3m

where

m is the number of miles

f(m) is the cab company's fare in dollars

we have that

In this context

<em>Slope</em>

The slope or unit rate is equal to the cost per mile for the riders trip

The slope is $3 per mile

<em>Y-intercept</em>

The y-intercept is the cost of the riders trip when the number of miles is equal to zero, also is called the initial value.

The y-intercept is $5

3 0
3 years ago
Other questions:
  • Find the product of 98 and 863
    7·1 answer
  • ????????????????????
    11·1 answer
  • A race car driver’s time in seconds to complete 12 laps is plotted on the graph. Why does the graph begin at x= 1?
    15·1 answer
  • Find the exact area of a circle having the given circumference.
    6·1 answer
  • 6th grade math help me please! :))
    10·2 answers
  • In the figure below, Angle ADC measures 50 degrees, and Angle BAC measures 90 degrees. What is the measure of Angle BAD?
    13·1 answer
  • Determine the radius of the cone, if the volume of the cone is 125 cm and
    14·1 answer
  • Factor this quadratic expression: <br> a2 - 2a - 15
    10·2 answers
  • Mary ate one slice of pizza, Paul ate 2 slices, and Jane ate half of the pizza. If Mary ate 1/8 of pizza and all the slices are
    13·1 answer
  • Find the exact (leave pi) and the approximate ( pi = 3.14 ) circumference for each circle
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!