<span>1. $119 2. 64 beads 3. 4 candles 4</span>
Mean is and a standard deviation is , then the variable .
Use substitution
.
This substitution gives you that .
a. For X=130, and (the decimal value is taken from the Standard Normal Distribution Table).
b. For X=90, and for X=110, . Then (the decimal value is taken from the Standard Normal Distribution Table).
Answer:
1. 30 mins
Step-by-step explanation:
Answer:
what is P(A), the probability that the first student is a boy? 3/5
what is P(B), the probability that the second student is a girl? 3/4
what is P(A and B), the probability that the first student is a boy and the second student is a girl? 1/2
No, évents A and B are not independent events
Step-by-step explanation:
Answer:
The measure of angle C is
The draw in the attached figure
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
In the right triangle ABC
The sine of angle C is equal to divide the opposite side to angle C by the hypotenuse
substitute the values