Answer:
D) He calculated the joint relative frequency of female students who prefer playing sports. The conditional relative frequency for female students who prefer playing sports is 34%.
Step-by-step explanation:
The table is given as:
Playing sports Dancing Row totals
Male students 18 16 34
Female students 18 35 53
Column totals 36 51 87
- We know that the joint relative frequency of an outcome is calculated as dividing the frequency of the outcome by the grand total.
Hence, when we divide the frequency of the female students who prefer playing sports i.e. 18 by the grand total i.e. 87 ; we obtain:
18/87=0.20689
which is approximately equal to 21%.
- Hence, in order to calculate the conditional relative frequencies she should have divided the required frequency by the row total;.
Hence, here we divide the frequency of the female students who prefer playing sports i.e. 18 by the row total i.e. 53 ; we obtain:
18/53-0.3396
which is approximately equal to 34%.
Hence, option: D is correct.
Answer:
A negative number is something like if you have $4 and you give me $5 you would be negative because you owe me $1
Step-by-step explanation:
Answer:
x = -4, 2.5
Step-by-step explanation:
To find the solution, look for the points where the line crosses the parabola. As this question only asks for the x-values, find the distance to the left and right of the y-axis. Here, it's -4 on the left and 2.5 on the right.
Answer:
The first derivative of the given function
Step-by-step explanation:
<u><em>Step(i):-</em></u>
Given f(x) = ae⁻ᵇˣ ...( i )
we will use differentiation formula
<em><u>Step(ii)</u></em>
Differentiating equation (i) with respective to 'x', we get
= -ab e⁻ᵇˣ
<u><em>Final answer:-</em></u>
The first derivative of the given function
