03/11/21

Statistics Probability

A manufacturer knows that their items have a normally distributed length with a mean of 17.4 inches, and a standard deviation of 1.4 inches. if 13 items are chosen at random what is the probability... more
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03/10/21

need help solving this problem. simplified. please include answer.
In a certain city, 60% of high school students graduate. Of those who graduate, 28% attend college. Find the probability that a randomly selected high school student will attend college.
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03/10/21

one tailed tests
A physics professor is experiencing an attendance problem because physics, is like, super hard. His classes tend to average 107 overall absences per semester with a standard deviation... more
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03/10/21

one tailed tests
A teacher wants to improve test scores in her class so she decides to see if group exams work. The average in her past classes was 70 with a standard deviation of 7. After testing her class of 36,... more
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03/10/21

statistics two tailed test
The mean for the SATs for all high school students was 500, with a standard deviation of 100. 75 students from Cerritos were tested and they produced a mean of 510.a. Who are the groups... more
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03/10/21

Find:m∠FCE in degrees
Consider the following figure.. Given:AB ∥ DC, m∠A = m∠B = 54°, CE ∥ DA, and CF bisects ∠DCB Find:m∠FCE in degrees
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03/10/21

Given:AB = 4x + 9 and DC = 6x − 5 Find:MN in terms of x
The drawing shows trapezoid ABCD with AB ∥ DC; also, M and N are midpoints of AD and BC, respectively.Trapezoid A B C D has four labeled vertices, two labeled points, and a line segment. The top... more
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03/10/21

Urgent Statistics question

After a mayor announced his plans to cut budget costs in late 2011, the Forum Research polled 1,084 people to measure the mayor's popularity. Everyone polled expressed either approval or... more
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03/10/21

What is the probability that you will draw a Ace card from a standard deck of cards (52)? Your answer should be in simplest fraction form.
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03/10/21

What is the probability you pick a student in the school and they prefer to use Tik-Tok OR they are a Junior? (Write as a percent rounded to the nearest hundredth)
Classification Tik-Tok Snapchat Total Freshman 345 122 467 Sophomore 289 203 492 Junior 178 109 287 Senior 103 189 292 Total 915 623 1538
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03/10/21

it long so i put it in the description
.A basketball player has a 60% chance of making each free throw. What is the probability that the player makes exactly three out of six free throws? Write your answer as a decimal number and round... more
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03/10/21

it long so i put it in the description
An archer has a 25% chance of hitting the bullseye on a target. What is the probability that the archer will hit the bullseye at most three out of five times? Round your percent answer to the... more
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03/10/21

Which Z values correspond to the outside 80% of the standard normal distribution?
(A) -.26 < z < .26(B) -1 < z < 1(C) -.2533 < z < .2533(D) -.5 < z < .5
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03/10/21

Please Solve for x.
IN A acute TRIANGLE XB IS THE MEDIAN AB= 3cm AC= y, what is y?
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03/10/21

PLEASE SOLVE FOR Y
PLEASE Help me solve number 3 in this link. I tried my best answering this number but I have doubts with my answers please paste it in YouTube. https://youtu.be/XdgSvpvebTQ
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03/10/21

PLEASE SOLVE FOR Y
IN A RIGHT ANGLE 📐 BD IS AN ALTITUDE BD= 2y AC= 60 AREA OF TRIANGLE ABC= 180cm^2please find the value of y
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03/10/21

5. A translation maps A(5,-4) onto A'(-2,3). Find the coordinates of the point that is the image of B(3,7) under the same translation?
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03/10/21

4. A translation maps A(-3,4) onto A'(2,-6). Find the coordinates of the point that is the image of B(-4,0) under the same translation?
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03/10/21

simplify the questions

3√24x7=A3√BA=B=
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03/10/21

Simplify the questions

3√40X4Y3=A3√BA=B=
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03/10/21

Simplify the question
3√40=A 3√BA=B=
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03/09/21

Draw and label a diagram. List, in terms of the diagram, what is given and what is to be proved. then write a two-column proof.
In an isosceles triangle, if a segment is drawn from the vertex of the angle between the congruent sides to the midpoint of the opposite side, then congruent triangles are formed. If a line... more
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03/09/21

With the following scores: 80 32 69 50 92 59 75 66 88 67 37 66 98 90 90 81 Find a. P40
May I know the formula and steps to calculate the question above?
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03/09/21

Find the following AE=  DE=  AD=.When the answer is not a whole number, leave a square root answer
Consider rhombus ABCD with diagonals AC and DB. Suppose AC = 14 and DB = 8. Find the following. When the answer is not a whole number, leave a square root answer.AE= DE= AD=
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03/09/21

What is the probability that at least one of a pair of fair dice lands of 5, given that the sum of the dice is 9?
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