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הכנה לבגרות 801
הכנה לבגרות 802 (שאלון 381)
הכנה לבגרות 803 (שאלון 382)
הכנה לבגרות 804 (שאלון 481)
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מתמטיקה » כיתה ח' » שלב 1 - הסתברות של מאורע יחיד
מתמטיקה » כיתה ח' » שלב 1 - הסתברות של מאורע יחיד
אנו מצטערים, אבל Javascript חייב להיות מופעל בדפדפן שלך כדי להציג את אתר זה כמו שצריך.
אנא הפעל Javascript בדפדפנך.
חזור לרשימת נושאים
התחל לתרגל
חזור לרשימת נושאים
התחל לתרגל
תרגילים לדוגמא
ענו על השאלה הבאה:
לפניכם 5 צורות.
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בוחרים באקראי אחת מבין חמש הצורות.
מהי ההסתברות לקבלת ריבוע אפור?
\[\begin{aligned} p(\text{ריבוע אפור}) = \frac{\INPUTBOX{1}{ltr}{1}}{\INPUTBOX{2}{ltr}{5}} \end{aligned}\]
ענו על השאלה הבאה:
לפניכם 11 פרפרים.
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בוחרים באקראי פרפר.
מהי ההסתברות לקבלת פרפר כחול?
\[\begin{aligned} p(\text{פרפר כחול}) = \frac{\INPUTBOX{1}{ltr}{4}}{\INPUTBOX{2}{ltr}{11}} \end{aligned}\]
ענו על השאלה הבאה:
בכד יש 25 כדורים . 13 כדורים כחולים והשאר צהובים .
מוציאים באקראי כדור מהכד .
מהי ההסתברות שיצא כדור כחול ?
\[\begin{aligned} p(\text{הוצאת כדור כחול}) = \frac{\INPUTBOX{1}{ltr}{13}}{\INPUTBOX{2}{ltr}{25}} \end{aligned}\]
ענו על השאלה הבאה:
בכד יש 6 כדורים שחורים , 5 כדורים צהובים ו-8 כדורים כתומים.
מוציאים באקראי כדור מהכד.
מהי ההסתברות שיצא כדור צהוב?
\[\begin{aligned} p(\text{הוצאת כדור צהוב}) = \frac{\INPUTBOX{1}{ltr}{5}}{\INPUTBOX{2}{ltr}{19}} \end{aligned}\]
ענו על השאלה הבאה:
לקובייה יש 6 פאות .
על כל פאה רשום מספר אחד מבין המספרים 1 עד 6 .
בהטלת הקובייה , מהי ההסתברות לקבל מספר נמוך מ-6 ?
\[\begin{aligned} p(\text{מספר נמוך מ-6}) = \frac{\INPUTBOX{1}{ltr}{5}}{\INPUTBOX{2}{ltr}{6}} \end{aligned}\]
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