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IgorC [24]
2 years ago
14

= = 70 7 7² 78 74 a = a 79 74 b=

Mathematics
1 answer:
weqwewe [10]2 years ago
7 0
I need points so imma answer
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It has been determined that 60% of the people in a certain midwest city who are responsible for preparing the evening meal have
natali 33 [55]

Answer:

Random sample, np \geq 10 and n(1-p) \geq 10, so yes, both conditions were satisfied.

Step-by-step explanation:

60% of the people in a certain midwest city who are responsible for preparing the evening meal have no idea what they are going to prepare as late as 4PM in the afternoon.

This means that p = 0.6

A recent survey was conducted from 1000 of these individuals.

This means that n = 1000

Also, a random sample, so the first condition was satisfied.

The sample size must be large (so that at least 10 or more successes and failures).

np = 1000*0.6 = 600 \geq 10

n(1-p) = 1000*0.4 = 400 \geq 10

So yes, both conditions were met.

4 0
3 years ago
Can you please help me with this question please and i will give you a Brainiest
zhannawk [14.2K]

Answer:

Its the book. Hope it helps.

6 0
3 years ago
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A bag contains 4 red, 5 blue, and 3 black marbles. Find the probability that if you pick 3 marbles
Fofino [41]

Answer:

3/12 =1/6

Step-by-step explanation:

4+5+3=12

probability of picking 3 marbles is

3/12which in lowest term is 1/6

3 0
3 years ago
HELP DUE IN 15 MINS!
Stells [14]

Answer:

  • n = 18

Step-by-step explanation:

<u>Sum of interior angles of a polygon:</u>

  • (n - 2)180 = 160n
  • 180n - 360 = 160n
  • 20n = 360
  • n = 18

8 0
3 years ago
janet completed 8 math problems in 10 minutes. How long per question did janet spend(in minutes and seconds)?
Dominik [7]
It would take 1.25 minutes to complete each problem because 10 divided by 8 equals 1.25
5 0
3 years ago
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