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shepuryov [24]
3 years ago
11

Mariah spent $9.50 on 9 pounds of limes and pears. Limes cost $0.50 per pound and pears cost $1.50 per pound. Let l be the numbe

r of pounds of limes and let p be the number of pounds of pears. The system of linear equations that models this scenario is: l + p = 9 0.5l + 1.5p = 9.5 How many pounds of each type of fruit did she buy?
She bought ______ pounds of limes and ______ pounds of pears.
Mathematics
1 answer:
Norma-Jean [14]3 years ago
7 0
She bought 4 pounds of limes and 5 pounds of pears.
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Test the claim that the proportion of people who own cats is significantly different than 90% at the 0.1 significance level.
miss Akunina [59]

Answer:

The right answer is Option B:

H_0: \pi=0.9\\\\H_1: \pi\neq0.9

Step-by-step explanation:

In this case we have to perform a hypothesis test on the proportion of the people owning cats.

The claim is that the proportion is significantly different than 905, what means it can be greater or smaller than 90% to reject the null hypothesis. Because of that, the null hypothesis has to state an equality (H0:p=0.9).

The right answer is Option B:

H_0: \pi=0.9\\\\H_1: \pi\neq0.9

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