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MATH SOLVE
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In a certain population of herring, Pomolobus Aestivalis, the lengths of the individual fish are normally distributed. The mean length of a fish is 54 mm and the standard deviation is 4mm.a.) What is the probability that the first fish capture is less than 62mm long?b.) What percentage of the fish are longer than 59 mm?c.) What is the 25th Percentile value?d.) What is the 70th Percentile value?
General
2 months ago
75 people attended a baseball game. Everyone there was a fan of either the home team or the away team. The number of home team fans was 90 less than 4 times the number of away team fans. How many home team and away team fans attended the game?
General
2 months ago
The multiplication law is potentially helpful when we are interested in computing the probability of a. mutually exclusive events. b. the intersection of two events. c. conditional events. d. the union of two events.
General
2 months ago
A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized here.Sample Size Sample Mean Population Standard DeviationMen 25 23 5Women 30 28 10At the 0.01 significance level, we ask if there is a difference in the mean number of times men and women send a Twitter message in a day. What is the value of the test statistic for this hypothesis test?
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2 months ago
The American Veterinary Medical Association conducted a survey of veterinary clinics to estimate the proportion that do not treat large animals (cows, horses, etc.). The survey was mailed to 120 randomly selected veterinary clinics throughout the country, and, 88 responded they do not treat large animals.The best point estimate for a 95% confidence interval for the proportion of veterinary clinics that do not treat large animals is___.Round your answer to the thousandths decimal place.
General
2 months ago
what is the equation of a quadratic graph with a focus of (-4,17/8) and a detric of y=15/8 answer
General
2 months ago
An ounce of milk contains 20 milligrams of calcium and 60 micrograms of vitamin A. An ounce of orange juice contains 40 milligrams of calcium and 10 micrograms of vitamin A. How many ounces of milk and orange juice should she drink each day to provide exactly 2200 milligrams of calcium and 1100 micrograms of vitamin A?
General
2 months ago
Composite figures are two or more figures combined. When finding the surface area, you cannot simply find the separate surface areas and add them. What face(s) do you have to exclude from the total surface area? Explain.
General
2 months ago
The mean monthly expenditure on gasoline per household in Middletown is determined by selecting a random sample of 100 households. The sample mean is $128, with a sample standard deviation of $38, what is the upper bound of a 90% confidence interval for the mean monthly expenditure on gasoline per household in Middletown? a. $134.66 b. $162.20 c. $129.38 d. $131.42 e. $13287
General
2 months ago
The local orchestra has been invited to play at a festival. There are 111 members of the orchestra and 6 are licensed to drive large multi-passenger vehicles. Busses hold 25 people but are much more expensive to rent. Passenger vans hold 12 people. make a system of equations to find the smallest number of busses the orchestra can rent. Let x= the number of busses and y= the number of vans make an equation representing the number of vehicles needed. __________ make an equation representing the total number of seats in vehicles for the orchestra members. __________ Solve the system of equations. How many busses does the orchestra need to rent? ____________ How many 12-passenger vans does the orchestra need to rent? ____________
General
2 months ago
Calculate the median of the data set below. {3, 7, 9, 2, 5, 3, 4, 6, 1, 0} A. 3 B. 3.5 C. 4 D. 10
General
2 months ago
△ABC is reflected to form △A′B′C′ .The vertices of △ABC are A(−7, 1) , B(−5, −3) , and C(−3, 2) . The vertices of △A′B′C′ are A′(−7, −1) , B′(−5, 3) , and C′(−3, −2) .Which reflection results in the transformation of △ABC to △A′B′C′ ?A)reflection across the x-axisB) reflection across the y-axisC)reflection across y = xD)reflection across y=−x
General
2 months ago
Describe one way that concepts about similarity could be used in real life
General
2 months ago
Factorise fully 6m+18
General
2 months ago
PLEASE PLEASE HELP ME 25 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Washington longed to retire to his fields at Mount Vernon. But he soon realized that the Nation under its Articles of Confederation was not functioning well, so he became a prime mover in the steps leading to the Constitutional Convention at Philadelphia in 1787. When the new Constitution was ratified, the Electoral College unanimously elected Washington President. Which provides the best objective summary of this excerpt?A.)Even though he was unanimously elected to be president, Washington wished he could retire to Mount Vernon instead.B.)The Constitution probably would not have been ratified if Washington had retired early at Mount Vernon instead of attending the Constitutional Convention.C.)Washington played a major role in the events that led to the ratification of the Constitution and was elected to be the country’s first president.D.)Even though he wished to retire, George Washington knew that the nation needed help, so he put a lot of effort into helping to develop the Constitution. Eventually, the Constitutional Convention took place in Philadelphia in 1787, and the Constitution was approved. Then, Washington was elected president of the country. The entire Electoral College voted for him.
General
2 months ago
Brody calculated the area of a square to be16/36 square foot. Which shows the side length of the square?
General
2 months ago
Find the area of the shaded polygons:
General
2 months ago
John and Matt are going to fill a pool with 2 different sized hoses. John can fill the pool in 5 hours, while Matt can complete it in 10 hours. Explain each step in solving this equation. (10 points)
General
2 months ago
lars has been approved for$420,000, 20-year mortgage with an APR of 5.125%.What is his monthly payment ? How much interest would he expect to pay on the loan in one month?How much of the monthly payment will go towards the principal?
General
2 months ago
What is the area of this trapezoid? 96 in² 132 in² 168 in² 1344 in² Trapezoid A B C D with parallel sides D C and A B. Points F and E are between D and C. F E B A form a rectangle with 4 right angles. D F is 3 inches, F E is 8 inches., E C is 3 inches., E B is 12 inches., and A B is 8 inches.
General
2 months ago
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