If a random sample of size 20 from a normal population with variance 225 has mean $\bar{x}=64.3$, then the 95% confidence interval for the population mean $\mu$ is (Given that $Z_{0.025}=1.96$).

1

If the random variable $X$ has the density function $f(x)=e^{x-2}$ for $x

Topic: AMU MCA 2022

2

Response error is a type of:

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1

A discrete random variable $X$ satisfies the memory less property, then the random variable $X$ follows

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2

Uniform distribution is a particular case of Beta distribution with parameters

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3

While testing the independence of attributes using Chi-square distribution, suppose attribute $A$ is specified into thr…

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4

f a random variable $X$ takes the values $1, 2, 3, 4$ such that $2P(X=1)=3P(X=2)=P(X=3)=5P(X=4)$, then $P(X=2)$ is:

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5

Let $p$ be the probability that a coin will fall head in a single toss in order to test $H_0 : p = 1/2$ against $H_1 : …

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6

Suppose that there are $K$ treatments and $n$ blocks in a randomized block design. In analysis of variance for this des…

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7

In $4 \times 4$ Latin square design, the error degrees of freedom is:

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8

he following LPP:Maximize $Z = 6x_1 - 2x_2$Subject to:$2x_1 - x_2 \le 2$$x_1 \le 3$$x_1, x_2 \ge 0$has optimal value as

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9

The following LPP:Minimize $Z = x - y$Subject to:$2x + 3y \le 6$$0 \le x \le 4$$0 \le y \le 3$then the number of extrem…

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10

In an analysis of variance, one estimate of variance $(\sigma^2)$ is based upon the difference between the treatment me…

Topic: AMU MCA 2022