In a very hotly fought battle atleast 70% of the combatants lost an eye, atleast 75% lost an ear, atleast 80% lost an arm and atleast 85% lost a leg. How many atleast must have lost all four?
Let A stand for combanants who lost an eye, B for those who lost an ear, C for those who lost a leg and D for those
_______ ______ __________ _____ ______ _______ _______ ___ ___ ________ _________ ________.
___ _______ __________ ________ ______.
__________ ____ ___ _____ ______ ____ ______ ___ ____ ___ _________.
_______ _________ ______ _____ ____ _______ ______.
_______ _____ ______ ___ ___.
_____ __________ __________ ___ ______ __________ _____.
_______ ____ _______ ______ ______ ______ ________ ___ _____ _________ _______.
_________ ______ _____ ______ _____.
____ _____ ______ ________ _____ ____ ___ ____ _________.
_____ _____ ____ ____.
- Solved Assignments
- Study Notes
- Guess Papers
- Question Papers
✓ Unlock up to 60% of the answer
✓ No payment required
A census revealed the following figures Of th in a certain population. e blind and of the insane in two age groups
(a) obtain a measure of the association between blindness and insanity in each of the age groups.
(b) Do you consider that blindness and insanity are equally associated or disassociated with each Other in two age groups or more in One-group than in other?
In the following table, distribution of students is shown according to their weights (in kg). Determine which class shows greater variation in weights?
The first four moments Of a distribution about the value 4 of the variable are —l .5, 17, —30 and 108. Find the moments about mean, and Find also the moments about
(i) the origin, and
(ii) the point x 2.
Find the average rate of
a) motion in case of a person who rides the first mile at 10 mile/hour, the next mile at 8 mile/hour and the third mile at 6 mile/hour ; and
b) increase in population which in the first decade has increased 20%, in the second 25% and in the third 44%.
Find the equation of best fitted suitable curve of the form y = aebx for the following data:
A number of school boys were examined for the presence or absence of the three physical defectives, viz., development defect denoted by A, nerve signs denoted by B and low nutrition denoted by C. Following data in terms of the ultimate class frequencies were
A number of school boys were examined for the presence or absence of the three physical defectives, viz., development defect denoted by A, nerve signs denoted by B and low nutrition denoted by C. Following data in terms of the ultimate class frequencies were observed: (ABC)- 149, (ABY) -738, (APC) -225, (Aß7) - 1196, (CIBC)- 204 (aBy) — 1762, (UPC) — 171 and (uh')— 21842. Find all the class frequencies which are for the presence of defects.