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natali 33 [55]
3 years ago
12

Yin has 3 blue shirts. 10% of her shirts are blue. Liang has 1.5 times as many shirts as Yin has. How many shirts does Liang hav

e? A. 5 B. 15 C. 45 D. 150
Mathematics
1 answer:
Gelneren [198K]3 years ago
8 0
3 = 10%
15 = 50%
30 = 100%

30 * 1.5 = 45
Liang has D.) 45 shirts
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My name is Ann [436]

Answer:

Yes

Step-by-step explanation:

Given,

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Null hypothesis = µ<600

Alternative hypothesis = µ≥600

The test statistics is the calculated value of Z,

(Z- µ)/(σ/√n)

= (600-586.50)/(26.77/√10)

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= 1.5947

And at 5% level of significance, the table value of Z = 1.644

Here, calculated Z<Table value of Z, so we accept the null hypothesis.

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3 years ago
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Molodets [167]

Answer:

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Step-by-step explanation:

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3 years ago
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