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RideAnS [48]
3 years ago
6

Kat is interested in getting chickens so she can have fresh eggs. Before she buys her chickens, she wants to find the mean numbe

r of eggs each one will lay. She begins by randomly selecting 40 chickens from a large poultry farm and counts how many eggs each one lays within one month. She finds the mean to be 24.8 eggs with a standard deviation of 6.9 eggs. Which of the following is the 90% confidence interval for the true mean number of eggs chickens from this poultry farm lay in one month?
Find the t-table here.

(21.85, 27.75)
(22.59, 27.01)
(22.96, 26.64)
(23.38, 26.22)
Mathematics
1 answer:
Anna [14]3 years ago
8 0

Answer:

C

Step-by-step explanation:

Took it

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(15 points)Please help out if you can!
Levart [38]

Answer:

The maximum is -3

Step-by-step explanation:

A parabola that opens down (- in front), the vertex represents the highest point on the graph, or the maximum value.

The vertex of the equation is (-7,-3)

So, the maximum y value is -3

8 0
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Reil [10]

Answer:

the answer would be 20 :)

Step-by-step explanation:

6 0
3 years ago
What is the cross-sectional area of a wire if its outside diameter is 0.0625 inch?
Leno4ka [110]

Given that the diameter: d= 0.0625 inch.

So, radius of the wire : r = \frac{0.0625}{2} = 0.03125 inch

Now the formula to find the cross-sectional area of wire ( circle) is:

A = πr²

= 3.14 * (0.03125)² Since, π = 3.14 and r = 0.03125

=3.14 * 0.000976563

= 0.003066406

= 0.00307 (Rounded to 5 decimal places).

Hence, cross-sectional area of a wire is 0.00307 square inches.

Hope this helps you!

5 0
3 years ago
Read 2 more answers
Need help on range and domain
SashulF [63]

Answer:

<u><em>domain</em></u> is your <u><em>x value</em></u>, and <u><em>range</em></u> is your <u><em>y value.</em></u>

Step-by-step explanation:


6 0
3 years ago
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You want to spin blue. Does it matter which spinner you spin? Explain
Ulleksa [173]

Answer:

No, they both have a 2/6 (1/3) chance of spinning blue.

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