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Ad libitum [116K]
3 years ago
9

Find the area under the standard normal curve to the left of

Mathematics
1 answer:
JulijaS [17]3 years ago
6 0
A. z = 0.74
  The z-score of 0.74 translates to a percentile of 0.77035. Hence, the area under the standard normal curve to the left of z-score 0.74 is ~0.77.

b. z = -2.16
   This z-score translates to a percentile of 0.015386 which is also the numerical value of the area under the curve to the left of the z-score

c. z = 1.02
   The percentile equivalent of the z-score above is 0.846. The area is also 0.846.

d. z = -0.15
   The percentile equivalent and the area is equal to 0.44. 
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Sholpan [36]
Your problem statement needs a bit of correction:

"<span>Y= -16t^2 +400, where t represents the number OF SECONDS after the camera is dropped. How long will it BE before Kay sees the splash from the camera hitting the water?"

Set y = -16t^2 + 400 = 0.  We assume that 400 and 0 represent feet (English system).

Then 16t^2 = 400, and so 25 = t^2.  Only the positive square root makes sense here, and that root is 5 (seconds).</span>
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3 years ago
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Convert 42.4 inches to meters.Round your answer to 2 decimal points
Naya [18.7K]

Answer:

1.07m

Step-by-step explanation:

the first step is to convert inches to cm

1in =2.54cm

(42.4in/1in x2.54cm)

42.4in = 107.69cm

then convert cm to m

1cm =0.01m

(107.69cm/1cm x 0.01m)

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4 0
3 years ago
Use the graph to fill in the blank with the correct number.
Vikki [24]

Answer:

f(0) = 1

Step-by-step explanation:

f(0) means what is the value of y when x = 0

from the diagram this is the point (0, 1 ) , then

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4 0
2 years ago
Which of the following sets represents the range of the function shown?{(–3, 4), (5, 11), (9, –1), (10, 13)}
Leni [432]

Range is all the y values in this case that would be...

{-1, 4, 11, 13}

Keep in mind that there are different ways to show range. The one I showed it just one of them

Hope this helped!

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7 0
3 years ago
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olga55 [171]

Answer:

0.1 cents per ounce

Step-by-step explanation:

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\frac{88 cents}{9oz}=0.1 cents per ounce

4 0
2 years ago
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