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kaheart [24]
3 years ago
12

Pls help me i dont get this at all!!!!! ASAPP

Mathematics
2 answers:
nalin [4]3 years ago
8 0
what in the 6 grade math ?
Vera_Pavlovna [14]3 years ago
8 0

Answer:

It's the green one, and the percentage is 2/5 (40%)

Step-by-step explanation:

Explanation: There were 600 total tickets sold, 240 of them being for the Saturday performance. The question is asking what percent of the total tickets sold were for the Saturday performance, so you do 240/600 which is 2/5 (0.40, 40%). As for the diagram, you kinda just figure out which one has the "?" 2/5ths along the way of the diagram. Hope this helps for your question, and explain the problem for future reference.

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The General Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours
DerKrebs [107]

Answer:

Yes, we can conclude that the population standard deviation of TV watching times for teenagers is less than 2.66

Step-by-step explanation:

H0 : σ² = 2.66²

H1 : σ² < 2.66²

X²c = (n - 1)*s² ÷ σ²

sample size, n = 40

Sample standard deviation, s = 1.9

X²c = ((40 - 1) * 1.9²) ÷ 2.66²

X²c = 140.79 ÷ 7.0756

X²c = 19.897

Using a confidence level of 95%

Degree of freedom, df = n - 1 ; df = 40 - 1 = 39

The critical value using the chi distribution table is 25.6954

Comparing the test statistic with the critical value :

19.897 < 25.6954

Test statistic < Critical value ; Reject the Null

Hence, we can conclude that the population standard deviation of TV watching times for teenagers is less than 2.66

8 0
3 years ago
Summerfield has a population of 26,000 people. The town has been seeing its population decline by 10% every year. If this trend
photoshop1234 [79]

Answer:

should be 1007

1007.2932714 if we're being exact.

6 0
3 years ago
Annabelle wanted to find out how many people in her neighborhood were going to the rock concert over the weekend. She asked a co
goldfiish [28.3K]
It seems that you have missed the necessary options for us to answer this question, but anyway, here is the answer. Based on the given scenario above about what Annabelle did, the kind of statistical investigation that she performed was a SURVEY. Hope this helps.
8 0
3 years ago
Read 2 more answers
(3+5i)(4+4i) what is the correct answer for this
Scilla [17]
(3 + 5i)(4 + 4i)=12 + 12i + 20i -20
The answer is: -8 + 32i
7 0
3 years ago
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I can’t figure this out someone please
marishachu [46]

Answer:

a^6/(b^12c^3d)

Step-by-step explanation:

7 0
3 years ago
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