QUICK QUESTION Do not answer this question down below!! answer the other one
In a survey, 500 people belonging to a health center were asked about their exercising habits. 290 said they use a treadmill regularly, 180 said they lift weights regularly, and 50 said yes to both of the exercises. Complete the Venn diagram then answer the questions that follow.
P(only use the treadmill):
Answer this:
Would I put the probability which would be 40% or 290/500

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step-by-step explanation:

because i said it is

john earns $14.00 for two hours of work.

85.560%

step-by-step explanation:

conditional probability is defined as:

p(a|b) = p(a∩b) / p(b)

in other words, the probability that a occurs, given that b has occurred = the probability that both a and b occur / the probability that b occurs.

in this example:

p(turns 64 | turns 44) = p(turns 64 & turns 44) / p(turns 44).

if someone turns 64, they must have already turned 44, so:

p(turns 64 | turns 44) = p(turns 64) / p(turns 44)

on page 42, we see that of the original 100,000, 94944 turn 44, and 81234 turn 64.   therefore:

p(turns 64 | turns 44) = 81234 / 94944

p(turns 64 | turns 44) = 0.85560

could you provide figure.