Q. 9 In the hypermedia database, information bits are stored in
the form of:

Q. 10 January 1, 1995 was Sunday. What day of the week lies on January 1,1996?

1. In a normal distribution, mean (m) ± 3s (3 standard deviation)
limits contains approximately –
a) 99.73% of the observations, b) 99.27% of the observations, c) 96% of the observations, d) 95% of the observation.

2. Half percent of the letters mailed in a city have incorrect address.
Out of 200 such letters mailed in a day, the probability of finding at
most 3 incorrect address is – a) 3e/8, b) 3/3e-1, c) 1/63-1, d) 5/2e-1.

3. If X is a random variable normally distributed with mean u and
variance s2, then the mean deviation about mean is given by –
a)1/2π, b) 2/π, c) σ/2π, d) 2σ

4. The level of significance is the probability of committing –
a) Type I error,
b) Type II error, c) Standard error, d) Probable error.

5. Which of the following tests is used to test a hypothesis about the
mean of a univariate normal distribution with unknown variance?
a) Normal test, b) Student’s test, c) Paired t-test, d) Chi-square test.

7. “Two or more events are called mutually exclusive, if the
occurrence of any one of them excludes the occurrence of the other”.
This statement is given by – a) M S Roy, b) Morris Hamburg, c) Murray Spiegel, d) Emile Bovel.

6. Mean and variance of Binomial distribution are –
a) m and s2,
b) m and nq, c) m and np, d) np and npq.

8. The probability of the happening of anyone of the several equally
likely events is the ratio of the number of events favourable to it to the
total number of – a) Possible errors, b) Impossible errors, c) Possible events, d) all of these. .

10. ……………….. is an act or process which leads to a single definite outcome.
a) Simple experiment,
b) Exhaustive event, c) Sampling, d) Manipulation

9. The ……………………… that one of the several mutually exclusive events X1, X2, X3, ……….., Xn, shall happen is the sum of the probabilities of the individual events.
a) Regression analysis,
b) Correlation analysis, c) Probability, d) Error.

Q. 1 Communications bandwidth that has the highest capacity and is used by microwave, cable and fibre optics lines is known as:

Q. 2 An electronic bill board that has a short text or graphical advertising message is referred to as:

Q. 3 Which of the following is not the characteristic of a Computer?

Q. 4 Bitumen is obtained from...

Q. 5 Malaria is caused by:

Q. 6 The cloudy nights are warmer compared to clear nights (without clouds) during winter days. This is because:

Q. 7 Largest soil group of India is: