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Mkey [24]
3 years ago
15

A day care program has an average daily expense of $75.00. The standard deviation is $5.00. The owner takes a sample of 64 bills

. What is the probability the mean of his sample will be between $70.00 and $80.00? Step 1. Calculate a z-score for $70.00 - Step 2. Give the probability for step 1.
Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0
I think the answer is 61 dont quote me on it im awful at math
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Last month he sold 50 chickens and 30 duck fir $550. This month he sold 44 chickens and 36 ducks for $532
natali 33 [55]
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Work:
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8 0
3 years ago
Is (-2, 6) a solution to this system of linear equations? (HINT: Substitute x
Serggg [28]

Answer:

1st Equation: -8x + y = 22

At (-2,6)

(-8*-2)+ 6 =16+6= 22: That is correct

2nd Equation: -8x - y =10

At (-2,6)

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Both are correct.

Hope it helps you.

5 0
3 years ago
.............................
goldfiish [28.3K]
It's B and C
hope this helps
4 0
3 years ago
Can a line be parallel to a segemnt?
zmey [24]
Y<span>ou </span>can<span> describe </span>lines<span>, rays, and </span>line segments<span> by the way they meet or cross each other. Words </span>Parallel lines<span> are always the same distance apart. They do not meet. Words </span>Lines<span> that meet or cross each other are called intersecting </span>lines<span>. Hope this helps.</span>
6 0
3 years ago
The circumference of a circle is 60? cm. what is the length of an arc of 140'?
My name is Ann [436]
I hope this helps you



Circumference =2.pi.r


60=2.3,14.r


r=30/3,14


Arc Length = 140/360.2.3,14.30/3,14


Arc Length =70/3
3 0
3 years ago
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