Answer:
100
Step-by-step explanation:
Black keys 5 10 100
Total keys
Black keys + white keys = 12 24 240
Answer:
(30/40)*(29/39) = 29/52 =~ 0.55769
Step-by-step explanation:
The probability is calculated assuming the cars were chosen without replacement .
Answer:
Stratified sampling
Step-by-step explanation:
Samples may be classified as:
Convenient: Sample drawn from a conveniently available pool.
Random: Basically, put all the options into a hat and drawn some of them.
Systematic: Every kth element is taken. For example, you want to survey something on the street, you interview every 5th person, for example.
Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
Stratified: Also divides the population into groups. However, then only some elements of the group are surveyed.
In this question:
Population divided into groups, and random samples are drawn from the groups. This is a mark of stratified sampling.
<h3><u>
Answer:</u></h3>
Hence, the equation of line is:
y= -6x
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Step-by-step explanation:</u></h3>
Clearly from the graph we could see that the line passes through the point (0,0) and (-1/2,3).
Also we know that the equation of a line passing through (a,b) and (c,d) is given as:
Here we have:
(a,b)=(0,0) and (c,d)=(-1/2,3)
Hence, the equation of line is:
Hence, the equation of line is:
y= -6x
The answer should be 1 3/8
