Question

the probability that a leap year should have at least 52 Tuesday is a) 2/7 b) 3/7 c) 1 d) 5/7​

Answer 1

Answer:

Hey friend your Answer is = d) 5/7 .

Sorry I'm not able to explain .

Answer 2

Answer:

ANSWER

No. of days in a leap =366

(

7

366

=52.28)

So, there will be 52 weeks and 2 days

So, every leap year has 52 Sundays

Now, the probability depends on remaining 2 days

The possible pairing of days are

Sunday-Monday

Monday-Tuesday

Tuesday-Wednesday

Wednesday-Thursday

Thursday-Friday

Friday-Saturday

Saturday-Sunday

There are total 7 pairs and out of 7 pairs, only 2 pairs have Sunday. The remaining 5 pairs does not include Sunday

Thus, the probability of not getting Sunday in the last 2 days is

5/7

Therefore, the probability of only 52 Sundays in a Leap year is

5/7

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.