Mathematics, 12.11.2019 22:31 heyheyhola
We will show in the next chapter that if x1 and x2 are independent with xi ∼ n (µi, σ2 i ), then x1 + x2 ∼ n (µ1 + µ2, σ2 1 + σ 2 2). use this result to find p(x < y ) for x ∼ n (a, b), y ∼ n (c, d) with x and y independent. hint: write p(x < y ) = p(x − y < 0) and then standardize x − y . check that your answer makes sense in the special case where x and y are i. i.d.
Answers: 2
Mathematics, 21.06.2019 14:30
Aparking lot is to be 400 feet wide and 370 feet deep. how many standard-sized cars fit in this lot considering a double-loaded (w4) two way traffic set up, an angle of 90° and a sw of 9’ 0’’? (do not consider handicapped parking spaces, and consider 15’ for turning aisles). show your work.
Answers: 2
Mathematics, 21.06.2019 15:30
Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?
Answers: 1
We will show in the next chapter that if x1 and x2 are independent with xi ∼ n (µi, σ2 i ), then x1...
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