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Valentin [98]
3 years ago
9

A spinner is divided into four colored sections that are not of equal size: red blue purple and orange Orange : 9 red 15 blue 24

purple 12 based on these results what is the probability that the arrow will land on the purple section
Mathematics
1 answer:
MatroZZZ [7]3 years ago
8 0

Answer:

i think it is 24/60 or 2/5

Step-by-step explanation:

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What is the perimeter of ΔABC?
11111nata11111 [884]

Answer:

20

Step-by-step explanation:

Two tangent segments drawn to a circle from the same point outside the circle are congruent. The two tangents at A measure 2. The two tangents at B measure 5. The two tangents at C measure 3.

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3 0
3 years ago
A manufacturer of cell phone screens is concerned because 12 percent of the screens manufactured using a previous process were r
fomenos

Answer: A.

H_0:p=0.12\\\\H_a:p

Step-by-step explanation:

Null hypothesis(H_0) : A statement describing population parameters as per the objective of the study. It usually takes "≤,≥,=" signs.  

Alternative hypothesis (H_a): A statement describing population parameters as per the objective of the study. It usually takes ">, <, ≠" signs.

Let p be the proportion of screens that will be rejected.

12 percent of the screens manufactured using a previous process were rejected at the final inspection.

(i.e. p= 0.12)

Objective of the study = whether the new process<em> reduces </em>the population proportion of screens that will be rejected

i.e. p< 0.12

So, the appropriate hypotheses to investigate whether the new process reduces the population proportion of screens that will be rejected:

H_0:p=0.12\\\\H_a:p

8 0
3 years ago
Find the value of x, rounded to the nearest tenth.
Mashcka [7]
It’d be 12.458 , rounded to the nearest tenth makes it 12.5. Hopefully, I helped.
3 0
3 years ago
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