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Dominik [7]
3 years ago
11

NEED ANSWER ASAP PLEASE

Mathematics
1 answer:
lesya [120]3 years ago
4 0

Answer:

FG=17/4  

Step-by-step explanation:

EF+FG=EG

3+x+3=5x+1

x+6=5x+1

6-1=5x-x

4x=5

x=5/4

FG=x+3

FG=5/4 +3

    = (5+12)/4

FG=17/4 or 4 1/4   or 4.25

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Solution :

a). Standard error of sample mean =  $\frac{\sigma}{\sqrt n}$

                                                          $=\frac{0.5}{\sqrt{15}}$

                                                        = 0.1290994

The observed mean point be $\overline x$

Test statistics z = $\frac{\text{(observed mean - hypothesized mean)}}{\text{standard error}}$

                         $=\frac{\overline x -5}{0.1290994}$

For the left one sided test, critical value of z to reject $H_0 = -1.64$

We reject $H_0$ when test statics z < -1.64

b).  Value of  $\overline x$  z < -1.64

   $=\frac{(\overline x-5)}{0.1290994}

  $=\overline x  < 5-0.1290994 \times 1.64$

  $=\overline x < 4.78828$

∴ we reject $H_0$ when $\overline x < 4.78828$

c). The probability of rejecting $H_0$ when $\mu = 4.7$,

  $P(x

                            $=P(z

                           $=0.7517$

4 0
3 years ago
A) 17<br> B) 15<br> C) 12<br> D) 11<br> E) 9
Elanso [62]

Answer:

x = 17

Step-by-step explanation:

looks kind of isosceles to me
29 x 2 = 58
180 - 58 = 122
122 + 14 = 136
136 / 8 = 17
x = 17

7 0
3 years ago
Please show the work tysm
Naddika [18.5K]

28 could have just looked it up

6 0
3 years ago
Keiko is making gift bags for guests at a party. She has 36 gel pens and 27 refrigerator magnets Keiko wants to use all the gel
Julli [10]

Answer:

It will be 9 gift bags

Step-by-step explanation:

Just step by step, 9 equals into both of them.

6 0
3 years ago
HELP I'M SUFFERING DA HECK IS THIS QUESTION!!!!
erica [24]

Answer:

Answer choices A and D. E would also be correct but it's a perfect correlation and the question said "strong but not perfect"

Step-by-step explanation:

3 0
3 years ago
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