Answer:
9
Step-by-step explanation:
E(X) = np
E(X) = (15) (0.6)
E(X) = 9
The mean of the X is 9.
What is the mean of the binomial distribution?The mean of a binomial distribution is the expected value (long-run average) of the number of successes in the given number of trials.
Formula for calculating mean of binomial distribution[tex]\mu_{x} = n.p[/tex]
where,
[tex]\mu_{x}[/tex] is the mean of the binomial distribution
n is the number of trials
and, p is the probability of success
According to the given question.
We have
Number of trials, n = 15
Probability of success, p = 0.6
Therefore, the mean of X is given by
[tex]E(X) = 15(0.6)[/tex]
⇒ [tex]E(X) = 9[/tex]
Hence, the mean of the X is 9.
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In which table does y vary directly with x
Answer:
No. C
Step-by-step explanation:
please mark me brainleast
Table C shows the proportional relationship between x and y that y varies directly with x option (C) is correct.
What is a proportional relationship?It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.
We have:
y vary directly with x
y ∝ x
y = kx
k is the constant.
k = y/x
Checking table A:
k = -2/1 = -4/2 ≠ -16/3
Checking table B:
k = -5/1 ≠ 18/2 = 41/3
Checking table C:
k = 26/1 = 52/2 = 78/3 = 26
Thus, table C shows the proportional relationship between x and y that y varies directly with x option (C) is correct.
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simplify: 6 + √27 / 3
Answer:
6 + √27 / 3
6+ (3√3/3)
6+√3
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
So, the first step if simplifying the square root. Since 27/3 is equal to 9, you now have to take the square root of 9.
6+[tex]\sqrt{27/3}[/tex]=?
Since 27/3 is equal to 9, you now have to take the square root of 9.
6+[tex]\sqrt{9}[/tex]=?
The square root of 9 is 3.
So, you end up with this:
6+3=12
PLEASE HELP!
What percent of the circle is shaded?
Can you also explain how to get the answer?
Answer:
40%
Step-by-step explanation:
1/5 = 20%
then 2/5 would equal 40%
Answer:
40%
Step-by-step explanation:
It is 40 because if you move the two shaded then its two and if you fill in the rest you will need three more.
Simplify the radical /1829.
Answer:
Step-by-step explanation:
A _______________________ is a conclusion after you have observed the patterns.
Answer:
Inductive Reasoning is the process of arriving at a general conclusion based on observations of specific examples. When you try to find the pattern for a list of numbers or visuals, you are using inductive reasoning.
Please complete the venn diagram and list how many elements are in each region thanks :)
Answer:
5
Step-by-step explanation:
Region I = n(A) - n(A union B) - n(A uniton C) + region V
= 24 - 10 - 15 + 6
= 5
Write an equation for the cubic polynomial
function shown.
To find the equation of the function, first find the
of the graph.
Answer:
Step-by-step explanation:
It is zeroes
Answer to 1st question: Zeroes
Answer to 2nd question: 2 3 5
What's 2|–9| – |–2|? Question 10 options: A) 20 B) –18 C) 16 D) –20
Answer:
Step-by-step explanation:
7
You work at a sporting goods store and make commissions on the products you
help sell. If you earn a 5.5% commission on all regular priced items, and a 4.5%
commission on all items on sale, how much do you earn in a week where you sell
$8,800 worth of regular goods, and $10,650 worth of items that are on sale?
Answer:
963.25
Step-by-step explanation:
8,800x0.055=484
10,650x0.045=479.25
484+479.25=963.25
Tyler is paid time and a lovertime after 40 hours worked in a week. His hourly rate is $13/h. What is his
gross pay if he worked 48.5 hours last week?
Answer:
$630.50
Step-by-step explanation:
.....................
4. Rewrite the expression using the distributive property.
(7•3) + (7•7)
I am genuinely so confused please help
Answer:
I hope it will help you :)
What is the sum of the first 10 even multiples of 8?
A rate of 5 yards per second is equal to how many yards per minute?
Answer:
300 yards per minute
Step-by-step explanation:
60 seconds in a minute 5 yards per second
5x60=300 yards per minute
tristan bought an orange that weighs 1 8th of a pound
(57 + 4) x 4 - 16 I need this for my math test
Answer:
228
Step-by-step explanation:
(57 + 4) * 4 - 16
61 * 4 - 16( To get 61 solve the ones in brackets first)
244 - 16( Solve the multiplication to get 244 _ 61 * 4=244)
228 ( Then solve the subtraction - 244-16= 228)
SO THE ANSWER IS 228.
YOU JUST NEED TO FOLLOW BODMAS.
HOPE IT HELPED
Value of the expression when n=3
-2n(5+n-8-3n)
Answer:
54
Step-by-step explanation:
Substitute n into the equation:
-2(3)[5+3-8-3(3)]
-6[-9]
+54
Round the following to three decimal places.
: A. 1.4366 B. 0.8792
C. 0.3455
Answer:
1.4370.8790.346Step-by-step explanation:
A. 1.4366 = 1.437
B. 0.8792 = 0.879
C. 0.3455 = 0.346
[tex]0.1\:1\:1\:1\\0\:. 1\:2\:3\:4\:decimal \:place[/tex]
Note ;
(0 to 4 ); round down (0 to 5); round upDescribe the shape of the distribution shown on the dot plot.
The dot plot displays the golf scores from a golf tournament.
132 , 134, 136, 138, 148
(Golf Score Strokes)
A. Uniform
B. Bimodal
C. Left Skewed
D. Right Skewed
E. Symmetrical
F. Bell shaped
Answer:
Then it's probably D. Right-Skewed
Margo baked 120 cookies for the school big sale 84 of the cookies were chocolate chip what portion of the cookies were chocolate chip select the three correct answers a 42/60 B 84% C7/10 D 0.70 E 0.84
help meeee Simplify 7(A - 6).
Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{7A - 42}}}}}[/tex]
Step-by-step explanation:
[tex] \sf{7(A \: - 6)}[/tex]
Distribute 7 through the parentheses
[tex] \longmapsto{ \sf{7 \: ∗ \: A \: - 7 \: ∗ \: 6}}[/tex]
[tex] \longmapsto{ \sf{7A \: - 42}}[/tex]
Hope I helped!
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12a - 6 + 7a - 2a ; a = 4
Need help please
Answer:
62
Step-by-step explanation:
Plug in the value of a in the equation:
12(4) - 6 + 7(4) - 2(4)
Solve 12(4) - 6:
12(4) - 6 = 48 - 6 = 42
Solve 7(4) - 2(4):
7(4) - 2(4) = 28 - 8 = 20
Combine both answers (42+20):
42+20 = 62
Complete answer:
12(4) - 6 + 7(4) - 2(4) = 62
When considering different sampling methods, cluster sampling includes the steps: _______.
a. use simple random sampling to select a set of groups; every individual in the chosen groups is included in the sample
b. list the members of the population; use simple random sampling to select a starting point in the population; let k = (number of individuals in the population)/(number of individuals needed in the sample); choose every kth individual in the list
c. starting with the one that was randomly selected
d. divide the population into groups; use simple random sampling to identify a proportionate number of individuals from each group
e. identify individuals of the population that are easily accessible; obtain data from these individuals
Answer:
d. divide the population into groups; use simple random sampling to identify a proportionate number of individuals from each group
Step-by-step explanation:
Remember, a cluster represents a selection out of a group belonging to a larger population. Thus, cluster sampling includes the steps;
divide the population into groups;use simple random sampling to identify a proportionate number of individuals from each group.For example, A bus company wants to survey all its customers for a particular day, using cluster sampling, they will randomly select 10 trips that day and survey some or all the passengers on those trips.
Answer:
B
Step-by-step explanation:
is negative 73 a natural number
No.
Negative numbers are not natural numbers.
Natural numbers are positive whole numbers.
1, 2, 3.... and so on.
Step-by-step explanation:
Hey there!!
(-73) is not a natural number.
The reason is natural number always starts from 1 and ends at infinity. But as the given number is -73 it is below 1. So, it's not a natural number.
Hope it helps...
what is the capital of poland?
Answer:
Warsaw is capital of poland
Answer:
Warszawa
Step-by-step explanation:
find the distance between points J(13,2) and K(7,10)
Answer:
10
Step-by-step explanation:
√(13 – 7)^2 + (2 – 10)^2
√(6)^2 + (-8)^2
√36 + 64
√100
10
For Mindy's party, she bought 26.4 pounds of meat to make tacos. The night before, she split the meat evenly into 4 containers so it would fit into the refrigerator. How many pounds of meat are in each container?
Answer:
Step-by-step explanation:6x4.3
A man’s age today is three years less than four times the age of his oldest daughter,Let a represent the daughters age.Write an equation to match the scenario.
what the simplify form for –3(x + 3) + 4x
Answer:
x - 9
Step-by-step explanation:
First, distribute:
-3x - 9 + 4x
Then, simplify (add up x):
x - 9
And we're done ^^
Answer:
-3x -9 +4x
-3x + 4x - 9
x - 9
The answer is x - 9
you multiply -3 by x - 3
And there you go .