Mathematics, 23.12.2019 22:31 klaytminecraft

P= 0.63 of obtaining a head. the experimenter tosses the coin 300 times in order to estimate the probability p. what is the probability that the experimenter’s point estimate of p will be within the interval (0.62, 0.64)

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Answer from: warnene17

The probability that the experimenter’s point estimate of p will be within the interval (0.62, 0.64) is 0.72

Step-by-step explanation:

To find a probability for the confidence interval we need to calculate z-statistic of the margin of error of the confidence interval.

margin of error for (0.62, 0.64) with p=0.63 is 0.01

Margin of error (ME) can be calculated using the equation

$ME=\frac{z*\sqrt{p*(1-p)}}{\sqrt{N} }$ where

z is the corresponding statistic for the given confidence level p is the probability of obtaining a head(0.63)N is the sample size (300)

Then solving $0.01=\frac{z*\sqrt{0.63*0.37}}{\sqrt{300} }$ gives z≈0.3587

two tailed p-value for z≈0.3587 is 0.72.

Thus, the probability that the experimenter’s point estimate of p will be within the interval (0.62, 0.64) is 0.72

Answer from: Quest

step-by-step explanation:

hello and welcome!

so, when we see the words "proportional" along with a table, we need to know that we're looking numbers that divide by the same thing.

looking at this table, we simply have to do a trial and error, and divide to see which numbers have the same quotient. if you look at choice a & c, they both have equal quotients for three of the numbers, with one exception, so those can't be the answer. looking at b, there is no similarity, so that can't be it. then, we see d; if you divide all the numbers in the table, you'll see that they all divide by two, which is a proportional relationship, and our answer!

$4/2 = 2\\7/3.5=2\\8/4=2\\10/5=2$

also, always remember that the x will always be the number that goes into y, and somewhere behind this table, is a formula. for this specific table, the formula would be:

$y=\frac{x}{2}$

since our x-value is being divided by two to get the y-value. and if they were to ask for more numbers in the series, this is the formula you would use to find them.

Answer from: Quest

step-by-step explanation:

draw the shape and you will see that f and k are actually at adjacent vertices (points of the hexagon that are neighboring). so find the distance between (1,2) and (4,2). that is easy since (1,2) and (4,2) is just a vertical distance to count, which is 3. it is a regular polygon which means all sides are congruent. you have 6 sides (hexa) so multiply 6 by 3 to receive 18.

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