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True [87]
3 years ago
11

A hypothesis is: a The average squared deviations about the mean of a distribution of values b) An empirically testable statemen

t that is an unproven supposition developed in order to explain phenomena A statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order dA statement that is the opposite of the null hypothesis e) The error made by rejecting the null hypothesis when it is true
Mathematics
1 answer:
Tpy6a [65]3 years ago
5 0

Answer:

b) An empirically testable statement that is an unproven supposition developed in order to explain phenomena.

Step-by-step explanation:

b) An empirically testable statement that is an unproven supposition developed in order to explain phenomena.

A hypothesis is an unproven supposition.This may be derived from previous research or theory and is developed prior to data collection.

Note:

Variance is the average squared deviations about the mean of a distribution of values.

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HELP! I NEED THE TWO EQUATIONS AND THE COST OF ONE PACKAGE OF BROWNIES AND ONE PACKAGE OF CUPCAKES
amid [387]

Answer:

Brownie package = 4.25

cupcake package = 3.50

Explanation

4.25 x 4 + 3.50 x 2 = 24

PLZ MARK BRAINLIEST IF HELPED

3 0
3 years ago
Find the equation of the circle in standard form for the given center (h, k) and radius r: (h, k) = (5, 4), r = 2
kenny6666 [7]
If cente ris (h,k) and radius is r then
equatn is (x-h)^2+(y-k)^2=r^2

so


center (5,4)
r=2
h=5
k=4

(x-5)^2+(y-4)^2=2^2
(x-5)^2+(y-4)^2=4

first option
7 0
3 years ago
12<br>34<br>516<br>If Z1 = 120° what is m_4​
nikklg [1K]

Answer:

Whats the product of 35 × 3/5=

Step-by-step explanation:

3 0
3 years ago
2) Suppose that circles A and B have a central angle measuring 40°. Additionally, circle A has a radius of 5 2 ft and the radius
sleet_krkn [62]

Let 

rA--------> radius of the circle A

rB-------> radius of the circle B

SA------> the area of the sector for circle A

SB------> the area of the sector for circle B 

 

we have that

rA=5/2 ft

rB=9/2 ft

rA/rB=5/9-----------> rB/rA=9/5

SA=(25/36)π ft²

 

we know that

 

if Both circle A and circle B have a central angle , the square of the ratio of the radius of circle A to the radius of circle B is equals to the ratio of the area of the sector for circle A to the area of the sector for circle B

 

(rA/rB) ^2=SA/SB-----> SB=SA*(rB/rA) ^2----> SB=(9/5) ^2*(25/36)π--->

<span>SB----------- > (81/25)*(25/36)------ > 81/36------ >  9/4π ft²</span>

 

the answer is

<span>the measure of the sector for circle B is (9/4)π ft²</span>


3 0
4 years ago
What is the explicit rule for the sequence:<br> 11, 22, 44, 88...
andriy [413]

Answer:

<u>Geometric Progression</u> is the explicit rule for the given sequence: 11, 22, 44, 88...

First term (a) = <u>11</u>

Common ratio (r) = 22/11 = 44/22 = 88/44 = <u>2</u>

Formula used in Geometric Progression is :---

\boxed{a_n = a {r}^{(n - 1)}}✓\\

where, 'n' is the required term

6 0
3 years ago
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