| 2024-01-21 | Coefficients of variation of two distributions are 50 and 60 , and their arithmetic means are 30.... |
| 2024-01-21 | If \( a \) is an integer lying in \( [-5,30] \), then the probability
that the graph of \( y=x^{.... |
| 2024-01-21 | Two numbers \( a, b \) are chosen from the set of integers \( 1,2,3, \ldots, 39 \). Then probabi.... |
| 2024-01-21 | Match the following:
\begin{tabular}{|c|c|c|c|}
\hline & List -I & & List-II \\
\hline (A) & \be.... |
| 2024-01-21 | A four figure number is formed of the figures 1, 2, 3, 5 with no repetitions. The probability th.... |
| 2024-01-21 | Five different games are to be distributed among 4 children randomly. The probability that each .... |
| 2024-01-21 | The standard deviation of data given by
\( \begin{array}{lllllll}\text { Variate }(x) & 0 & 1 & .... |
| 2024-01-21 | Consider the following frequency distribution:
\begin{tabular}{lllllll}
\( X \) & 2 & 3 & 4 & 5 .... |
| 2024-01-21 | South African cricket captain lost the toss of a coin 13 times out of 14 . The chance of this ha.... |
| 2024-01-21 | Three balls marked with 1,2 and 3 are placed in an urn. One ball is drawn, its number is noted, .... |
| 2024-01-21 | If in a moderately asymmetrical distribution the mode and the mean of the data are 6 and 9 respe.... |
| 2024-01-21 | The median of the following data \( 8,10,2,4,5,7 \) is.... |
| 2024-01-21 | Let \( A \) and \( B \) be two events such that \( P(A)=7 / 20, P(B) \) \( =9 / 20, P(A \cup B)=.... |
| 2024-01-21 | Consider the following frequency distribution:
\begin{tabular}{lllllll}
\( \boldsymbol{X} \) & 2.... |
| 2024-01-21 | The mean of four observations is ' 4 ' and their variance is 3.5 . If two these observations are.... |
| 2024-01-21 | If a variable takes values \( 0,1,2, \ldots, n \) with frequencies proportional to \( q^{n},{ }^.... |
| 2024-01-21 | Let \( x_{1}, x_{2}, \ldots, x_{n} \) be ' \( n \) ' observations. Let \( w_{i}=l x_{i}+k \)
for.... |
| 2024-01-21 | Find the mode of given data:
\( 6,3,7,5,6,7,8,9,10,7,5,6,3,7,2,6,1,6,5,7,8 \), 7, 6.... |
| 2024-01-21 | A sample of 90 values has mean 55 and standard deviation 3. A second sample of 110 values has me.... |
| 2024-01-21 | The mean marks of 120 students is 20 . If was later discovered that two marks were wrongly taken.... |
| 2024-01-21 | If standard deviation of a set of observation is 8 and if each observation is divided by ' -2 ' .... |
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