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Genrish500 [490]
3 years ago
13

a. If you select a random sample of 50 ​sessions, what is the probability that the sample mean is between 10.8 and 11.2 ​minutes

?
Mathematics
1 answer:
natka813 [3]3 years ago
3 0
<span>P stands for probability P(10.8</span>
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Adam is 159 centimeters tall and casts a shadow 105 centimeters in height. If Cara is 140 centimeters tall, how many centimeters
vodomira [7]

Answer:

The answer to your question is 12.55 cm

Step-by-step explanation:

Data

Adam                                  Cara

height = 159 cm                  height = 140 cm

shadow = 105 cm                shadow = x

Process

1.- To solve this problem use the Thales' theorem

         Cara's shadow / Cara's height = Adam's shadow / Adam's height

- Substitution

                                     x / 140 = 105 / 159

-Solve for x

                                     x = 105 (140) / 159

-Simplification

                                     x = 14700 / 159

                                     x = 92.45 cm

Cara's shadow is 92.45 cm long.

2.- If both shadows are in line, then Cara must walk forward

                105 - 92.45 cm

                12.55 cm

             

4 0
3 years ago
I fill an aquarium to a depth of 3/8 meters in 6 minutes. What is the unit rate in minutes per meter?
Elena L [17]

Answer:

16 minutes per meter

Step-by-step explanation:

Depth = 3/8 meters

Time taken = 6 minutes

What is the unit rate in minutes per meter?

Time taken per depth = minutes per meter

Unit rate in minutes per meter = 6 minutes ÷ 3/8 meters

= 6 minutes × 8/3 meters

= 48/3

= 16 minutes per meter

5 0
3 years ago
Why is it sometimes best to make a phone call or personal contact when conveying sensitive information?
kupik [55]
It would be best sometimes to <span>make a phone call or personal contact when conveying sensitive information because in this way you can make sure that the information is conveyed directly to the person. Hope this answers the question. Have a nice day.</span>
3 0
3 years ago
Which angles are complementary?
Charra [1.4K]
It is PKO AND MKN because they are similar
3 0
3 years ago
If you are given the measurements of three angles of a triangle,
earnstyle [38]

Answer:

  B. They will all be similar

Step-by-step explanation:

You can make as many different size triangles as you like. The angles alone do not constrain the size, only the shape. The triangles you make will all be similar.

6 0
3 years ago
Read 2 more answers
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