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mario62 [17]
2 years ago
7

Help fast help fast Help fast help fast Help fast help fast Help fast help fast

Mathematics
2 answers:
yaroslaw [1]2 years ago
8 0

Answer:

n= 11 & n = 13 is the answer

tekilochka [14]2 years ago
7 0
N=11 and n=13 is the correct answer
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Use the bar graph to find the experimental probability of spinning a number greater than 3.
marissa [1.9K]

Answer:

the baser to their question would be 2 since its lined up and thrn it would be 4

5 0
3 years ago
Read 2 more answers
Neal estimated √50 by determining that the two perfect squares nearest 50 are 49 and 64. Select the two consecutive whole number
slavikrds [6]

Answer:

7 and 8

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Question 6 (1.25 points)
Lisa [10]

Answer:

Test statistic Z= 1.713

The calculated Z- value =  1.7130 < 2.576 at 0.01 level of significance

Null hypothesis is accepted

There is no difference between the  mean annual salary of all lawyers in a city is  different from $110,000

Step-by-step explanation:

<u><em>Step(i):-</em></u>

A researcher wants to test if the mean annual salary of all lawyers in a city is

different from $110,000

Mean of the Population  μ = $110,000

Sample size 'n' = 53

Mean of the sample x⁻ = $114,000.

standard deviation of the Population = $17,000,

Level of significance = 0.01

Null hypothesis :

There is no difference between the  mean annual salary of all lawyers in a city is  different from $110,000

H₀:  x⁻ =  μ

Alternative Hypothesis :  x⁻ ≠  μ

<u><em>Step(ii)</em></u>:-

Test statistic

                 Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }

                 Z = \frac{114000-110000}{\frac{17000}{\sqrt{53} } }

                Z =  1.7130

Tabulated value Z = 2.576 at 0.01 level of significance

The calculated Z- value =  1.7130 < 2.576 at 0.01 level of significance

Null hypothesis is accepted

There is no difference between the  mean annual salary of all lawyers in a city is  different from $110,000

4 0
3 years ago
What is th answer to<br><br>Find the Area: R= 8cm<br>​
inn [45]

Answer:

64 π ( c m ) ^2

Step-by-step explanation:

3 0
3 years ago
Destiny designs necklaces.
Alex17521 [72]

Answer:

Step-by-step explanation:

Well, the ratio of yellow beads to blue beads is 4:5. The best way I think is to guess and check multiplying the ratio by integers. You need between 15 and 20.

4 : 5 ( = 9 too little )

8 : 10 ( = 18 just right)

12 : 15 ( = 27 too much)

So per necklace, 8 yellow beads and 10 blue beads would be needed. 

I hope this helps :-)

4 0
3 years ago
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