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Verizon [17]
3 years ago
5

The length of a text messaging conversation is normally distributed with a mean of 2 minutes and a standard deviation of 0.5 min

utes. What is the probability that a conversation lasts longer than 3 minutes?
A. 0.043351
B. 0.063748
C. 0.02275
D. 0.095424
Mathematics
1 answer:
Nezavi [6.7K]3 years ago
5 0
A.
I think.
tell me if its right pls
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Fittoniya [83]

Answer:

-6/16

Step-by-step explanation:

<u>Step 1:  Find equivalent to -3/8</u>

(-3*2) / (8*2)

<em>-6/16</em>

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mr_godi [17]

Answer:

Step-by-step explanation:  to be honest i do not know

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3 years ago
Please answer. I think its B because negative × negative = positive. So -5 × -5 = 25. BUT...since the exponent is negative, mayb
yanalaym [24]
Evaluate a^2 where a = -5:
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7 0
4 years ago
There were 50 rabbits on an island. After three months the number of rabbits had increased to 70. If the number of rabbits incre
ddd [48]

Answer:

0.1187

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A = P (1 + k)^t

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and t is the number of months.

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k = 0.1187

5 0
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