Answer:
7.50
Step-by-step explanation:
45.00 divided by 6 = 7.5 or 7.50 income/hours worked
no cash needed hope it helps
Answer:
Original height = 144 cm
Increase height = 148.5 cm
Change in height = 148.5 - 144 = 4.5 cm
Percentage change = change/original ×100
= (4.5 / 148.5) × 100
= 3.03%
The height increased by 3.03%.
Step-by-step explanation:
Answer:
1200 square inches
Step-by-step explanation:
First find area of rectangle which is length x width
20 x 30 = 600
then to find area of the two right triangles multiply the legs then divide by 2
20 x 30 = 600
600/2 = 300
since there is 2 multiply 300 by 2
600
then add everything together
600+600 = 1200
Answer:
The probability that all 70 messages are transmitted in less than 12 minutes is 0.117.
Step-by-step explanation:
Let <em>X</em> = the transmission time of each message.
The random variable <em>X</em> follows an Exponential distribution with parameter <em>λ</em> = 5 minutes.
The expected value of <em>X</em> is:
The variance of <em>X</em> is:
Now define a random variable <em>T</em> as:
T = X₁ + X₂ + ... + X₇₀
According to a Central limit theorem if a large sample (<em>n</em> > 30) is selected from a population with mean μ and variance σ² then the sum of random variables <em>X</em> follows a Normal distribution with mean, and variance, .
Compute the probability of T < 12 as follows:
*Use a <em>z</em>-table for the probability.
Thus, the probability that all 70 messages are transmitted in less than 12 minutes is 0.117.