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
dlinn [17]
3 years ago
13

Answer pls? Bias matching??

Mathematics
1 answer:
grin007 [14]3 years ago
4 0
It’s just this because it’s that you what that mean because it is
You might be interested in
HELP PLEASE FOR BRAINLEST
Semenov [28]

Answer:

3/13

Step-by-step explanation:

Put the total number that tapped the ground AND 5/10 worms (which is 3) over the total number which is 13

so 3/13 which doesn't simplify

hope this helped :)

5 0
2 years ago
I NEED HELP WITH THIS ASAP I CAN NOT FIND ANY COMMON GROUND FOR THESE NUMBERS ALL HELP IS APPRECIATED THANK YOU
poizon [28]

Answer:

45 is um 9x+xy-4y

Step-by-step explanation:

I did it it was a simplify type thing

3 0
2 years ago
Write 343 with an exponent by using 7 as the base
pochemuha
7^3 = 343

7×7=48
7×7×7=343
8 0
3 years ago
Read 2 more answers
If 20% of the people in a community use the emergency room at a hospital in one year, find
Pie

Answer:

a) 87.91% probability that at most three used the emergency room

b) 20.13% probability that exactly three used the emergency room.

c) 3.28% probability that at least five used the emergency room​

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they use the emergency room, or they do not. The probability of a person using the emergency room is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Sample of 10 people:

This means that n = 10

20% of the people in a community use the emergency room at a hospital in one year

This means that p = 0.2

a) At most three used the emergency room

P(X \leq 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3)

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{10,0}.(0.2)^{0}.(0.8)^{10} = 0.1074

P(X = 1) = C_{10,1}.(0.2)^{1}.(0.8)^{9} = 0.2684

P(X = 2) = C_{10,2}.(0.2)^{2}.(0.8)^{8} = 0.3020

P(X = 3) = C_{10,3}.(0.2)^{3}.(0.8)^{7} = 0.2013

P(X \leq 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) = 0.1074 + 0.2684 + 0.3020 + 0.2013 = 0.8791

87.91% probability that at most three used the emergency room

b) Exactly three used the emergency room

P(X = 3) = C_{10,3}.(0.2)^{3}.(0.8)^{7} = 0.2013

20.13% probability that exactly three used the emergency room.

c) At least five used the emergency room​

P(X \geq 5) = 1 - P(X < 5)

In which

P(X < 5) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4)

From 0 to 3, we already have in a).

P(X = 4) = C_{10,4}.(0.2)^{4}.(0.8)^{6} = 0.0881

P(X < 5) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) = 0.1074 + 0.2684 + 0.3020 + 0.2013 + 0.0881 = 0.9672

P(X \geq 5) = 1 - P(X < 5) = 1 - 0.9672 = 0.0328

3.28% probability that at least five used the emergency room​

4 0
3 years ago
Suppose you are testing the null hypothesis that a population mean is less than or equal to 46, against the alternative hypothes
PolarNik [594]

Answer:

Option A) 2.5

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 46

Sample mean, \bar{x} = 50

Sample size, n = 25

Alpha, α = 0.05

Population standard deviation, σ = 8

First, we design the null and the alternate hypothesis

H_{0}: \mu \leq 46\\H_A: \mu > 46

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{50 - 46}{\frac{8}{\sqrt{25}} } =2.5

Option A) 2.5

6 0
3 years ago
Other questions:
  • Emma scored 4 points more than twice number of points teagan scored. Emma scored 3 points. How many did teagan score
    13·1 answer
  • I don't really know how to start
    8·2 answers
  • Bill has 2/3 of his pizza left from lunch. If he eats 3/7 more of the pizza, how much pizza is left?
    11·2 answers
  • Complete the solution of the equation. Find the value of y when x equals 15.
    15·1 answer
  • Help me
    9·1 answer
  • Three-fourths of a number is greater than or equal to nine less than a number.
    15·1 answer
  • Request edit access<br> 2. 7x + 4 = -3<br> How to solve
    13·1 answer
  • 2 1/2 + 2 1/3 + 3 2/3
    12·1 answer
  • Evaluate –9x - 8<br> When x = -4
    5·2 answers
  • Please help me with the question below.
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!