Johnny saw that the temperature on the outside thermometer was 59°F.
2 answers:
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Given: Mean of Normal distribution μ = 100, standard deviation σ =20
We have to find the probability that the score will be less than X=84
P(X < 84)
The z-score for x=84 is
Z =
Z =
Z = -0.8
We have to find probability that Z < -0.8
Using Z score table to find the probability below z=-0.8 we get
P(Z < -0.8) = 0.2119
Hence the probability that the score will be less than x = 84 is 0.2119
Answer: 3996 meters
Step-by-step explanation:
Given: Maya is camping at the top of mount armstrong at an elevation of 7832 meters.
Consider the pont of sea level be 0.
Then the height of the point where Mary is = +7832 meters (by using integers)
Juan is scuba diving 160 meters below sea level.
⇒The height of the point where Juan is =-160 meters
The distance between them =
The mid point of the distance=
Hence, Maya & Juan meet will meet at an elevation of 3996 meters .