Answer:
Thời gian vận chuyển hàng hóa trên tuyến đường AB là biến ngẫu nhiên X có phân phối
chuẩn với trung bình 5 giờ, độ lệch chuẩn 0, 25 giờ.
a. Chuyến có thời gian lớn hơn 5,2 ( ) /100 a b giờ được xem là trễ, tính tỉ lệ chuyến trễ?
Step-by-step explanation:
F(x)•g(x)=
2(2x+1)=
4x+2
4(0)+2= 2
f(x)•g(x)=
2(2x+1)=
4x+2=
4(2)+2= 10
This equation can be used when comparing ages.
An example to illustrate this:
Assume that adding 6 to 3 times the age of Jack will give us the age of his grandfather.
When translating this into equations, assuming that the age of jack is "a" and the age of his grandfather is "b", we will find that:
b = 6 + 3a
Answer:
When the probe reaches the ocean floor, the horizontal distance of the probe from the team's ship on the ocean's surface will be approximately 1625 meters.
Step-by-step explanation:
tan=opposite/adjacent
tan67.4°=3900/x
2.40=3900/x
cross multiply
2.40x=3900
divide via by 2.40
2.40x/2.40=3900/2.40
x=1625
When the probe reaches the ocean floor, the horizontal distance of the probe from the team's ship on the ocean's surface will be approximately 1625 meters
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