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scZoUnD [109]
3 years ago
6

HELP PLZ HURRY!!!!!!

Mathematics
1 answer:
kotykmax [81]3 years ago
7 0
It is 8/3 I did math
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A candy company claims that its jelly bean mix contains 15% blue jelly beans. Suppose that the candies are packaged at random in
I am Lyosha [343]

Answer:

Doubtful.

Step-by-step explanation:

Our values are,

P=0.15 \rightarrow 15\%Jelly Bean Mix.

The sample for us is n=200

And our proportion (x) is 40 .

We can calculate  with this dates the sample proportion and make he test statistic.

p=\frac{x}{n} = \frac{40}{200} = 0.20

H_0:P=0.15

H_1:P \neq 0.15

We use the formula for Test statistic, that is given by,

z= \frac{p-P}{\sqrt{\frac{P-(1-P)}{n}}}

z= \frac{0.20-0.15}{\sqrt{\frac{0.15(1-0.15)}{200}}}

z= 1.98

We see that our P-value: 0.048 (From the Table)

We note that p-value is less than 0.05, so we should to rejecyt the null hypothesis and conclude that the calim is doubtful

4 0
2 years ago
HELP ASAP!!! DUE IMMEDIATELY!!!
Setler [38]

Answer:

Angle ABD is 16 degrees and Angle DBC is 74 degrees

Step-by-step explanation:

Question 6. x+9+11x-3=90. 12x+6=90 -6 on both sides and 12x=84 divide each side by 12 and x= 7 angle ABD is x+9 so 7 +9= 16. Angle measure of ABD is 16 degrees. Measure of angle DBC is 11x -3 so 11 times 7=77. 77-3= 74. So the measure of angle DBC is 74 degrees and this answer is right because they both add up to be 90 degrees. Hope this helped! :)

7 0
2 years ago
What is the slope of the line that passes through the points (2.-4 and (2,4)
Vadim26 [7]

Answer:Undefined

Step-by-step explanation:

4 0
3 years ago
At a fair last weekend, Zachary sold homemade jewelry. If his profit was $43.49 and he sold the jewelry for $76.15, how much did
SVEN [57.7K]
76.15 - 43.49 = 32.66

It costed him $32.66 to make the homemade jewelry.

5 0
3 years ago
-3x + 7x-8 = 34 + 9x - 2
zvonat [6]

Answer:

-8

Step-by-step explanation:

First combine like terms:

4x-8=32+9x

-40=5x

-8=x

8 0
3 years ago
Read 2 more answers
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