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
astra-53 [7]
4 years ago
6

Question 5 of 10 This graph shows the solution to which inequality? (3, 3) (-3,-1)

Mathematics
1 answer:
AlekseyPX4 years ago
6 0

Answer:

What graph

Step-by-step explanation:

I’m confused

You might be interested in
George found that he blinked 85 times in 15 minutes. At this rate, how many seconds passed during 51 blinks?
Juliette [100K]
540 seconds which is equal to 9 minutes.
7 0
4 years ago
A particular concentration of a chemical found in polluted water has been found to be lethal to 40% of the crayfish that are exp
Jet001 [13]

Answer:

a) P(X=13)=(24C13)(0.4)^{13} (1-0.4)^{24-13}=0.0608

P(X=17)=(24C17)(0.4)^{17} (1-0.4)^{24-17}=0.0017

P(X=13 U X=17) = 0.0608+0.0017=0.0624

b) P(X \geq 17)=0.000427

c) P(X \geq 16)= 1-0.000427=0.9996

d) E(X)= np = 22*0.4=8.8

e) Var(X) = np(1-p)= 22*0.4*(1-0,4)=5.28

Step-by-step explanation:

1) Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

2) Solution to the problem

Let X the random variable of interest, on this case we now that:

X \sim Binom(n=24, p=0.4)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

3) Part a

P(X=13)=(22C13)(0.4)^{13} (1-0.4)^{22-13}=0.0336

P(X=17)=(22C17)(0.4)^{17} (1-0.4)^{22-17}=0.00035

P(X=13 U X=17) = 0.0336+0.00035=0.0340

4) Part b

P(X \geq 17)=P(X=17)+P(X=18)+P(X=19)+P(X=20)+P(X=21)+P(X=22)

P(X=17)=(22C17)(0.4)^{17} (1-0.4)^{22-17}=0.00035

P(X=18)=(22C18)(0.4)^{18} (1-0.4)^{22-18}=0.0000651

P(X=19)=(22C19)(0.4)^{19} (1-0.4)^{22-19}=0.00000914

P(X=20)=(22C20)(0.4)^{20} (1-0.4)^{22-20}=0.000000914

P(X=21)=(22C21)(0.4)^{21} (1-0.4)^{22-21}=5.81x10^{-8}

P(X=22)=(22C22)(0.4)^{22} (1-0.4)^{22-22}=1.76x10^{-9}

P(X \geq 17)=0.000427

5) Part c

P(X \leq 16)=1-P(X>16)=1-P(X\geq 17) = 1-[P(X=17)+P(X=18)+P(X=19)+P(X=20)+P(X=21)+P(X=22)]

P(X \geq 16)= 1-0.000427=0.9996

6) Part d

The expected value is:

E(X)= np = 22*0.4=8.8

7) Part e

The variance is given by:

Var(X) = np(1-p)= 22*0.4*(1-0,4)=5.28

3 0
3 years ago
How does making lists of multiples help you find the least common
Stells [14]

Answer:i d0nt know

Step-by-step explanation:

3 0
3 years ago
How do you find an unknown length in similar figure pairs
const2013 [10]
Pick a pair of sides whose length you DO know.  Whatever their ratio is, every pair of sides has the same ratio IF the figures are similar. 

Like if you find a pair of corresponding sides and the big one is double the length of the small one, then the big one is double the length of the small one for EVERY pair of sides in those two figures.
3 0
3 years ago
Jaoquin buys 3 dozen lightbulbs. After changing the lightbulbs in his house, he has 15 lightbulbs left. How many lightbulbs did
Akimi4 [234]

Answer:

21

Step-by-step explanation:

1 dozen=12

3 dozen= 36

15-36=21

5 0
3 years ago
Other questions:
  • The perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the shortest side. Which equation can be used
    14·1 answer
  • Kavon is saving money to buy a bicycle that coasts $150. He has been saving his $5 weekly allowance for the last 8 weeks and he
    8·1 answer
  • A blueprint for a house states that a 6 inch line represents 11 feet on the actual home. If the house is to be a
    7·1 answer
  • Suppose that X is a random variable with mean 20 and standard deviation 5. Also
    13·1 answer
  • you are playing the integer game with your friends. you have drawn a -2 and -3 from the deck. when you add the numbers on these
    14·1 answer
  • PLEASE HELP, SEQUENCE MATH PROBLEM
    5·1 answer
  • What is an 8 sided base pyramid name
    14·1 answer
  • I really really need this.. plz answer asap :(( needs to be correct <3
    6·1 answer
  • NEED HELP WITH THESE 2 QUESTIONS ASAP!!!
    14·1 answer
  • Please help me with this​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!