Hi there!
With a normal distribution, we can use the operation 'normalcdf' on a calculator to find the probability that a randomly selected adult has an IQ between 96 and 111.
Here is the format for using the operation:
<h2>normalcdf(LB, UB, μ, σ) </h2>
LB = Lower bound (96)
UB = Upper bound (111)
μ = Mean of normal distribution (100)
σ = Standard deviation of normal distribution (15)
Plug in the given values into the calculator and solve.
Answer:
4).
Step-by-step explanation:
sin A = cos B
Because sin A = CB/AB and cos B = CB/AB.
To solve this problem you must apply the proccedure shown below:
1. You have that the passenger got the elevator at the floor number 10 and he descended 15 floors to the parking garage. Therefore, the find the level of the parking garage, you must substract the level 15 and the level 10.
2. Therefore, if the main floor is the level 0, the parking garage is at the level -5.
The answer is: Level -5.
Step-by-step explanation:
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