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Lena [83]
3 years ago
11

Indicate which of the following choices best identifies the hypothesis test. The league mean batting average is 0.280 with a kno

wn standard deviation of 0.06. The Rattlers and the Vikings belong to the league. The mean batting average for a sample of eight Rattlers is 0.210, and the mean batting average for a sample of eight Vikings is 0.260. There are 24 players on the Rattlers and 19 players on the Vikings. Are the batting averages of the Rattlers and Vikings statistically different?
Mathematics
1 answer:
Tamiku [17]3 years ago
4 0

Answer:

Step-by-step explanation:

Here we found out that the two samples are independent, so we can use independent t test for testing the average batting rattlers and Vikings

Independent group mean, the population standard deviation and / population variance known.

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Allisa [31]

Answer:

Yes

Step-by-step explanation:

-8x-2y<6 (I prefer to convert this into standard form y=mx+b)

-8x+8x-2y<8x+6

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The ADMHS football team is trying to raise money to buy new equipment so the players are selling "Jaguar Cards" for $20 each. If
alekssr [168]

Answer:

The inequality to represent the situation is 20x\geq 3000 and the team must sell at least 15 "Jaguar Cards".

Step-by-step explanation:

Given: The ADMHS football team is trying to raise money to buy new equipment so the players are selling "Jaguar Cards" for \$20 each.

If the football team needs to raise at least \$3,000 for equipment.

To find: The inequality to represent the situation and the least number of "Jaguar Cards" the team must sell.

Solution:

Let the ADMHS football team sold x "Jaguar Cards" for \$20 each.

Now, the football team needs to raise at least \$3,000 for equipment.

So, the inequality to represent the situation is 20x\geq 3000.

Now, on solving we get,

20x\geq 3000

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Hence, the inequality to represent the situation is 20x\geq 3000 and the team must sell at least 15 "Jaguar Cards".

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Step-by-step explanation:

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Step-by-step explanation:

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