sandygarcia65
12.11.2019 •
Mathematics
Me there are two that have not been answered
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Ответ:
B
Step-by-step explanation:
These quadrilateral are both in the ratio of 1:2 which means
If ABCD is 1, EFGH is 2
So AD:EH would also be 1:2
Hence
AD=7 so EH = 7*2=14
Ответ:
a. Option D
b. H₀ : p₁ = p₂, H₁: p1 ≠ p₂
Step-by-step explanation:
a. A hypothesis test regarding the difference between two population proportions from independent samples. This type of test is used to compare the proportions of two populations. This test is usually appropriate under the conditions that:
The sampling method for each population is simple random sampling.
The samples are independent.
Each sample includes at least 10 successes and 10 failures.
Each population is at least 20 times as big as its sample.
b. Null hypothesis: H₀ : p₁ = p₂
Alternative hypothesis: H₁ : p₁ ≠ p₂