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8090 [49]
2 years ago
11

In the local coed softball league the male to female ratio is 6:6 if there are a 160 players in the league how many are female

Mathematics
1 answer:
Lemur [1.5K]2 years ago
5 0
80 because wht the ratio is implying is that for every boy there is the same amount of girls
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Two equal groups of seedlings, and equal in height, were selected for an experiment. One group of seedlings was fed Fertilizer A
ser-zykov [4K]

Answer:

Null Hypothesis: H_0: \mu_A =\mu _B or \mu_A -\mu _B=0

Alternate Hypothesis: H_1: \mu_A >\mu _B or \mu_A -\mu _B>0

Here to test Fertilizer A height is greater than Fertilizer B

Two Sample T Test:

t=\frac{X_1-X_2}{\sqrt{S_p^2(1/n_1+1/n_2)}}

Where S_p^2=\frac{(n_1-1)S_1^2+(n_2-1)S_2^2}{n_1+n_2-2}

S_p^2=\frac{(14)0.25^2+(12)0.2^2}{15+13-2}= 0.0521154

t=\frac{12.92-12.63}{\sqrt{0.0521154(1/15+1/13)}}= 3.3524

P value for Test Statistic of P(3.3524,26) = 0.0012

df = n1+n2-2 = 26

Critical value of P : t_{0.025,26}=2.05553

We can conclude that Test statistic is significant. Sufficient evidence to prove that we can Reject Null hypothesis and can say Fertilizer A is greater than Fertilizer B.

6 0
2 years ago
The graph shows the stock value for a technology company from 2002 to 2005. From this graph, what is the most likely value of th
deff fn [24]
The answer to your question is B.
8 0
2 years ago
A carpenter cut three 4 foot 6 inch shelves from a 14 foot board. How long a piece was left over?
never [62]
The answer will be A.6 inches because 4*3=12. Then, multiply 6*3=18 which is a foot and a half. Which only leaves 6 inches remaining
4 0
2 years ago
Read 2 more answers
4. Given directed line segment CD, if point E divides CD three-fourths of the way from C to D, find the coordinates of E, then p
cricket20 [7]

Answer:

Point E is given by \left ( \frac{3mx_1+4x_0}{7},\frac{3y_1+4y_0}{7} \right )

Step-by-step explanation:

Let points C and D be (x_0,y_0),\,(x_1,y_1) and let point E divides it in ratio m:n.

Then coordinates of point E are given by \left ( \frac{mx_1+nx_0}{m+n},\frac{my_1+ny_0}{m+n} \right )

Put m:n=3:4

Point E is given by \left ( \frac{3mx_1+4x_0}{3+4},\frac{3y_1+4y_0}{3+4} \right )=\left ( \frac{3mx_1+4x_0}{7},\frac{3y_1+4y_0}{7} \right )

Now plot point E.

Download pptx
3 0
2 years ago
Which expression represents 8 less than two times X?
JulsSmile [24]

Answer:

Therefore the expression is option A)

2x-8

Step-by-step explanation:

Given:

Statement as ' 8 less than two times X'

To Find :

Expression for the statement

'8 less than two times X'

Solution:

Two\ times\ 'x'\ means=2\times x

Now 8 less than two times X  means Subtract 8 from '2x'

2x-8

Therefore the expression is option A)

2x-8

6 0
2 years ago
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