Questions with Complete Solutions - Hamro CSIT

Define normal distribution. What are the main chracteristics of normal distribution? Extruded plastic rods are automatically cut into length 5 inches. Actul length are normally distributed about a mean of 5 inches and their standard deviation is 0.05 inches. (i) What propotion of rods exceed tolerance limits of 4.9 inches to 5.1 inches? (ii) Proportion of rods having tolerance rod which is greater than 6.5 inches.

Not Answered Statistics I Asked on 2080(new) Exam

What are partition values? From the following distributionof scores 200 students of a college :

Scores 30-40 40-50 50-60 60-70 70-80 80-90

Number of students 14 50 60 45 20 11

Compute (i) the minimum scores obtained by top 10% students (ii) the range of middle 60 % students.

Not Answered Statistics I Asked on 2080(new) Exam

Under what condition binomial probability distribution. Five unbaised coins are tossed 100 times and the following results were obtained.

No of heads 0 1 2 3 4 5

Frequency 5 24 35 22 10 4

Fit the binomial distribution.

Not Answered Statistics I Asked on 2080(new) Exam

Define poission probability distribution. Cars arrive at a petrol station at an average rate of 3 per minute. Assuming that the cars arrive at random, find the probability that (a) no cars arrive during a particular minute. (b) at least one car arrive during a particular minute (c) four cars arriving per 2 minutes.

Not Answered Statistics I Asked on 2080(new) Exam

Let X and Y be two continuous random variable having joint pdf
f(x,y) = c(x² + y²), 0< x <1, 0< y<1
= 0 , otherwise.

Determine (a) the value of c. (b) P(x < 0.5, y > 0.5).

Not Answered Statistics I Asked on 2080(new) Exam

Diffrence between correlation and regression analysis. Raw materials are used in the production od synthesis and fiber are stored in a place which has no humidity control. Measurement of relative humidity in the storage place and the moisture content of a sampleof a raw materials (both in percentage) on 10 days yeilds the following results.

Compute correlation coefficiet between humidity and moisture content and interpret the result.

Find the regression equation of moisture content on humudity.

Estimate the moisture content if humudity is 45%

Interpreat the value of regression coefficient.

Not Answered Statistics I Asked on 2080(new) Exam

Write a java program to create login form with user id, password, ok button, and cancel button. Handle key events such that pressing ‘l’ performs login and pressing ‘c’ clears text boxes and puts focus on user id text box. Assume user table having fields Uid and Password in the database named account.

Not Answered Advanced Java Programming Asked on 2080 Exam

What are the uses of final modifier? Explain each use of the modifier with suitable example.

Not Answered Advanced Java Programming Asked on 2080 Exam

How can you use mathematical induction to prove statements? Use mathematical induction to show that sum of first n positive integer is
$$\frac{{n(n + 1)}}{{2}}$$

Not Answered Discrete Structure Asked on 2080(new) Exam

What is shortest path problem? Use Dijkstra’s shortest path algorithm to find the shorteszt path between vertices a and z in the weighted graph below:

Not Answered Discrete Structure Asked on 2080(new) Exam

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