Suppose that a coin has been altered to come up heads 80% of the time. if many samples of 60 coin flips are taken, which of the following is the number of heads that would likely come up most frequently in a sample?

60*80%=

60*0.8 = 48

 one of your choices should be 48 or something close to 48

Step-by-step explanation:

Givens

If there 60 coins flips, the number heads would probably be

Therefore, there are gonna be 48 heads after 60 coin flips with those altered coins.

Remember that the percentage represents the probability of getting heads in one trial, if we make several trials, we must multiply that number with the probability of the single event.

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204