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
s2008m [1.1K]
2 years ago
10

Based on a research​ survey, when 1020 adults were asked about hand​ hygiene, 44% said that they wash their hands after using pu

blic transportation. Consider the probability that among 30 different adults randomly selected from the 1020 who were​ surveyed, there are at least 10 who wash their hands after using public transportation. Given that these subjects were selected without​ replacement, are the 30 selections​ independent? Can they be treated as being​ independent? Can the probability be found using the binomial probability​ formula?
Mathematics
1 answer:
aleksley [76]2 years ago
7 0

Considering that the subjects are chosen without replacement, they are not independent, and the probability cannot be found using the binomial distribution.

The binomial distribution and the hypergeometric distribution are quite similar, as:

  • They find the probability of exactly x successes on n repeated trials.
  • For each trial, there are only two possible outcomes.

  • The difference is that the binomial distribution is for independent trials, that is, in each trial, the probability of success is the same, while the hypergeometric distribution is for dependent trials.
  • If the sample is without replacement, the trials are not independent, thus the hypergeometric distribution is used, not the binomial.

A similar problem is given at brainly.com/question/21772486

You might be interested in
Pls find the blank space. <br><br>the first answer will get marked brainliest​
True [87]

Step 1

Anything divided by one gives itself.

\frac{1}{8}=-8\text{ and }\frac{-8}{1}=\frac{-12}{48}

8

1

=−8 and

1

−8

=

48

−12

Step 2

Convert -8−8 to fraction -\frac{64}{8}−

8

64

.

\frac{1}{8}=-\frac{64}{8}\text{ and }\frac{-8}{1}=\frac{-12}{48}

8

1

=−

8

64

and

1

−8

=

48

−12

Step 3

Compare \frac{1}{8}

8

1

and -\frac{64}{8}−

8

64

.

\text{false}\text{ and }\frac{-8}{1}=\frac{-12}{48}false and

1

−8

=

48

−12

Step 4

Anything divided by one gives itself.

\text{false}\text{ and }-8=\frac{-12}{48}false and −8=

48

−12

Step 5

Reduce the fraction \frac{-12}{48}

48

−12

to lowest terms by extracting and canceling out 1212.

\text{false}\text{ and }-8=-\frac{1}{4}false and −8=−

4

1

Step 6

Convert -8−8 to fraction -\frac{32}{4}−

4

32

.

\text{false}\text{ and }-\frac{32}{4}=-\frac{1}{4}false and −

4

32

=−

4

1

Step 7

Compare -\frac{32}{4}−

4

32

and -\frac{1}{4}−

4

1

.

\text{false}\text{ and }\text{false}false and false

Step 8

The conjunction of \text{false}false and \text{false}false is \text{false}false.

\text{false}false

Hint

Do the arithmetic.

Solution

\text{false}false

4 0
2 years ago
Read 2 more answers
Tommy is using a bucket to collect nuts from a nut tree. He then dumps the bucket into a barrel for shipping of the nuts. He not
NISA [10]

Answer:

  • 3/8 bucket

Step-by-step explanation:

Given that 1/4 bucket of nuts fills 2/3 of the barrel

PART A

<u>To find the amount of nuts that fills entire basket we can put this as:</u>

  • 1/4 bucket → 2/3 barrel
  • x bucket → 1 barrel

<u>Use cross-multiplication to find the value of x:</u>

  • x×2/3 = 1×1/4
  • x = 1/4 ÷ 2/3
  • x = 1/4×3/2
  • x = 3/8 bucket

PART B

  • Using the bucket to barrel ratio to solve the problem. Having the number of required buckets as x and considering full barrel as 1 helps to find the value of x.
6 0
3 years ago
the length of a rectangle is 4 feet longer than twice the width of the same rectangle. if the perimeter of the rectangle is 68 f
Rom4ik [11]

Represent the length and width by L and W.  Then L = W + 4.

Using the perimeter formula:  P = 2L + 2W = 68 ft = 2W) + 2(W+4).

Solve for W:  68 = 2W + 2W + 8, or 4W = 60.  Thus, W = 15 and L = 19.

The dimensions of the rectangle are 15 by 19 feet.

4 0
3 years ago
List your favorite ytbers I just wanna see if anybody watches the same people as me
SCORPION-xisa [38]

Jess & Gabriel

The LaBrant Family

The Tiny Tribe

LaurDIY

Alex Wassabi

And i watch other ytbers but rarely.

4 0
3 years ago
Read 2 more answers
The ratio of peaches to plums is 3:8. If there are 99 fruits how many plums are there?
Illusion [34]
3+8=11
11 units
99=11 units
divide by 11 both sides
9=1 unit

plums=8 units
8*9=72
72 plums
8 0
3 years ago
Other questions:
  • Can someone please answer. There is one problem. There's a picture. Thank you!
    14·1 answer
  • A club has money for a trip. The expenses for the trip are shown below:
    13·1 answer
  • David is going to install tiles on the floor of two rooms. One of the floors is 18 feet long by 12 feet wide. The other floor is
    12·1 answer
  • Which inequality correctly compares One-third, Five-sixths, and Three-fifths? One-third &lt; Three-fifths &lt; Five-sixths One-t
    7·1 answer
  • An object is moving at a speed of 3 meters per minute. Express this speed in miles per year.
    6·1 answer
  • Rewrite the expression in standard form ( use the fewest number of symbols and characters possiable). a. 5g•7h b.3•4•5•m•n
    6·1 answer
  • Whats the figures and how do I find the area?​
    9·1 answer
  • Fraction 4 over 5 n = Fraction 2 over 3 .n = ___?
    13·2 answers
  • D + -4 = 12<br>how do i find d?​
    15·2 answers
  • What is 7.2km/h in m/s?​
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!