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ziro4ka [17]
3 years ago
5

Find the length of the missing side 15 6

Mathematics
1 answer:
Komok [63]3 years ago
8 0
The answer would be 90
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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
How much smaller is the sum of the first 1000 natural numbers than the sum of the first 1001 natural numbers?
aleksandr82 [10.1K]

ANSWER

1001

EXPLANATION

The sum of the first n - natural numbers is

S_n=  \frac{n}{2} (2a + d(n - 1))

The sum of the first 1000 terms is

S_{1000}=  \frac{1000}{2} (2(1) + 1(1000 - 1))

S_{1000}=500 (1001)

S_{1000}=500500

The sum of the first 1001 terms is

S_{1001}=  \frac{1001}{2} (2(1) + 1(1001 - 1))

S_{1001}= 1001 \times (501)

= 501501

The difference is

501501 - 500500= 1001

5 0
3 years ago
Read 2 more answers
What is -5 considered as
IceJOKER [234]
A negative Number, Hope this helped.
4 0
3 years ago
Read 2 more answers
James types 84 words in 2 minutes he estimates that he has his history essay is 420 words long what is the least amount of time
adell [148]
84 words = 2 min
1 word = 2/84 = 1/42
420 words = 1/42 x 420 = 10 mins


Answer: 10 mins
4 0
3 years ago
Linda planned to spend 9 hours practicing the piano this week. by tus​
Misha Larkins [42]

Answer:

So, this week Linda will to practice 63 hours.

Best regards

Step-by-step explanation:

9 hours * 7 day/week

7 0
3 years ago
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