{"id":"informator-maturalny-matematyka-2010/zad/45","paper_id":"informator-maturalny-matematyka-2010","number":"45","points":1,"ptype":"closed","subject":"matematyka","category":"informator-maturalny","year":2010,"month":null,"level":null,"text":"Zadanie 45. (1 pkt)\nO zdarzeniach losowych A i B są zawartych w Ω wiadomo, że\n⊂\nB\nA ,\n( )\n0,7\nP A\ni ( )\n0,3\nP B\n. Wtedy\nA.\n(\n)\n1\nP A\nB\n∪\nB.\n(\n)\n0,7\nP A\nB\n∪\nC.\n(\n)\n0,4\nP A\nB\n∪\nD.\n(\n)\n0,3\nP A\nB\n∪","answer":"B","answer_text":null,"solution":"B⊂A więc A∪B=A, zatem P(A∪B)=P(A)=0,7. Odpowiedź: B.","image":"img/informator-maturalny-matematyka-2010/zad-45.webp","solution_image":null,"topics":null,"page_from":82,"source":"ai","answer_source":"ai","answer_text_source":null,"solution_source":"ai","text_source":"ocr","source_label":"Matematyka · Informator maturalny · 2010","subject_label":"Matematyka","category_label":"Informator maturalny","text_html":"

Zadanie 45. (1 pkt)
O zdarzeniach losowych A i B są zawartych w Ω wiadomo, że
⊂
B
A ,
( )
0,7
P A
i ( )
0,3
P B
. Wtedy
A.
(
)
1
P A
B
∪
B.
(
)
0,7
P A
B
∪
C.
(
)
0,4
P A
B
∪
D.
(
)
0,3
P A
B
∪

","solutions":[{"source":"ai","label":"AI","kind":"text","html":"

B⊂A więc A∪B=A, zatem P(A∪B)=P(A)=0,7. Odpowiedź: B.

"}]}