The probability of the intersection of two events is known as a joint probability.
Answer:
true
Step-by-step explanation:
* substitute 30 for x *
we're left with 15 < 20 which is true
7-(-7)=7+7=14. So the answer is 14
Well first you take the amount that Connor paid, $29.25 and subtract the base price for the pizza, $17.50
$29.25 - $17.50 = $11.75
Then you divide that number by the base price of 1 topping, $2.35
11.75 / 2.35 = 5
So Connor got 5 toppings on his pizza.
x = number of hours
want to find probability (P) x >= 13
x is N(14,1) transform to N(0,1) using z = (x - mean) / standard deviation so can look up probability using standard normal probability table.
P(x >= 13) = P( z > (13 - 14)/1) = P(z > -1) = 1 - P(z < -1) = 1 - 0.1587 = 0.8413
To convert that to percentage, multiply 100, to get 84.13%
