Answer:
0.13093
Step-by-step explanation:
Give. That :
Population mean = 40% = 0.4
Sample size (n) = 64
Probability that more than 30 have computer at home
Mean = np = 64 * 0.4 = 25.6
Standard deviation = sqrt(n*p*(1-p)) = 3.919
P(x > 30)
USing the relation to obtain the standardized score (Z) :
Z = (x - m) / s
Z = (30 - 25.6) / 3.919 = 1.1227353
p(Z < 1.122) = 0.13093 ( Z probability calculator)
Answer:
both share an acute angle
Step-by-step explanation:
Answer; A: Right scalene. Square on the corner tells you it's a right triangle. It's a scalene triangle because none of the sides are equal.
Answer:
6
Step-by-step explanation:
If Chen has 4 pizzas and you need to know in terms of thirds the logical thing to do would be to set 4 to a fraction over 3 (12/3). Since each friend will eat 2/3 of a pizza you divide 12 by 2 (taken from the numerators). This will get you to 6.
Vertex: (-2,-3)
axis of symmetry: x=-2
min: (-2,-3)
max: no max because it is a parabola tht opens up
Range: y > or equal to -3
