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MATH SOLVE
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Suppose that a travel bureau claims that the trees in a forest are 85 feet tall on average, with a standard deviation of 0.2 feet. If you took a sample of 64 trees, which of the following mean heights would be outside the 95% confidence interval?
General
5 months ago
Marlow wants to know how many students in his school enjoy watching the TV news. He asks all 27 students in his art class and finds that 30% of his classmates enjoy watching the TV news. He claims that 30% of the school's student population would be expected to enjoy watching the TV news. Is Marlow making a valid inference about his population? No, it is not a valid inference because he asked all 27 students in his art class instead of taking a sample from the school No, it is not a valid inference because his classmates do not make up a random sample of the students in the neighborhood Yes, it is a valid inference because he asked all 27 students in his art class Yes, it is a valid inference because his classmates make up a random sample of the students in the school
General
5 months ago
A cafe has a few tables that seat 6 people. There are also a few tall tables that seat 4 people. There are 7 waiters, 1 manager, and 1 cashier present in the cafe. If all the tables are full, the expression 6x + 4y + 7 + 1 + 1 gives the total number of people in the cafe where x represents the number of six-top tables and y represents the number of four-top tables. An equivalent of this expression is .
General
5 months ago
Which point on the y-axis lies on the line that passes through point C and is perpendicular to line AB? • (-6, 0 ) • ( 0, -6 ) • ( 0, 2 ) • ( 2, 0
General
5 months ago
If a data value in a normal distribution has a negative z-score, which of the following must be true?The data value must be negative.The data value must be positive.The data value must be less than the mean.The data value must be greater than the mean.
General
5 months ago
Given:AD | | BCAD = BCProve:ADM BCMWhich of the following reasons will complete the proof?SASASASSS
General
5 months ago
at a store, customers are randomly selected to participate in a survey. On Friday, there were 500 customers at the store. Of those, 90 were selected to participate in the survey. On Saturday, the store manager expects 700 customers in the store. If the probability of being selected to participate in the survey on Saturday is the same as it was on Friday, how many customers will be selected to participate in survey on Saturaday
General
5 months ago
A Venn diagram is shown below: a Venn diagram showing two categories, A and B. In the A only circle is 1 and 2, in the B circle is 5 and 6, in the intersection is 3 and 4, and in outside the circles is U What are the elements of (A ∩ B) ' ? {3, 4} {1, 2, 3, 4} {1, 2, 5, 6} {3, 4, 5, 6}
General
5 months ago
Captain Daniel has a ship, the H.M.S Crimson Lynx. The ship is two furlongs from the dread pirate Stephanie and her merciless band of thieves.If his ship hasn't already been hit, Captain Daniel has probability 3/4 of hitting the pirate ship. If his ship has been hit, Captain Daniel will always miss. If her ship hasn't already been hit, dread pirate Stephanie has probability 1/7 of hitting the Captain's ship. If her ship has been hit, dread pirate Stephanie will always miss. If the Captain and the pirate each shoot once, and the pirate shoots first, what is the probability that both the pirate and the Captain hit each other's ships?
General
5 months ago
A flock of griffins are flying together along the same route as the dragons. Griffins have the head and wings of an eagle, but the body of a lion, and they tend to fly much more slowly than dragons. The dragons catch up to the griffins after 1.5 hours of traveling, and the dragons' speed at that moment is slowed to 35 miles per hour. What does this speed represent?
General
5 months ago
What is AE ?Enter your answer in the boxUnits
General
5 months ago
Annie is renting an apartment and sees in the rental agreement that each year they will raise the rent by 5%. The rent when she first signs the agreement is $850. What function best models the amount of rent she will have to pay in each future year?A) y = 50x + 850 B) y = 850x + 50 C) y = 850(1.05)x D) y = 850(0.05)x
General
5 months ago
1. Which formula can be used to find the sum of the interior angles of a polygon?A. (n-2)180 B.180n - 1 C. 360/n D.(180n - 360)/n2. Is the following statement always, sometimes or never true? "A rhombus is a parallelogram."AlwaysSometimesNever3. A hexagon has three right angles. The remaining three angles are congruent. What are their measures?135°150°120°90°4. The sum of the interior angles of a polygon is 1440°. How many sides does the polygon have?14810125. The sum of the measures of four exterior angles of a pentagon is 282 degrees. What is the measure of the fifth exterior angle?72°108°18°78°6. How many sides does a regular polygon have if each exterior angle measures 40°?91086This is the unit 10 lesson 3 alternate quiz, if anyone has the rest of the answers for the test I'd greatly appreciate it!
General
5 months ago
help me in all these for 50 POINTS
General
5 months ago
Simplify completely the quantity 14 times x to the 5th power times y to the 4th power plus 21 times x to the third power times y to the 2nd power all over 7 times x to the third power times y. 2x8y5 + 3x6y3 2x2y4 + 3xy 2x2y3 + 3y 2x2y3 + 3y2
General
5 months ago
What is financial responsibility?
General
5 months ago
A cabinet has two sliding doors of different sizes. When the cabinet is fully closed, they overlap by two-fifths of the width of the smaller door. When both doors are slid to one side, the part of the longer door that is not behind the shorter one is half as wide as the original overlap, and the open portion of the cabinet is 36 inches wide. What is the width of the whole cabinet?
General
5 months ago
The reflexive property of congruence allows you to say that RST=____ A) SRTB) STRC) RSTD) RTS
General
5 months ago
Keegan makes a deposit into her savings account at the beginning of the year. The account earns 3% simple interest each year. She has $360.50 in her account at the end of the year. If Keegan did not make any additional deposits or withdrawals during the year, how much did she deposit into the account at the beginning of the year? $10.82 $277.31 $350.00 $371.32
General
5 months ago
PLEASE HELP! WILL GIVE BRAINLIEST! Claire is considering investing in a new business. In the first year, there is a probability of 0.2 that the new business will lose $10,000, a probability of 0.4 that the new business will break even ($0 loss or gain), a probability of 0.3 that the new business will make $5,000 in profits, and a probability of 0.1 that the new business will make $8,000 in profits. a. Claire should invest in the company if she makes a profit. Should she invest? Explain using expected values. b. If Claire’s initial investment is $1,200 and the expected value for the new business stays constant, how many years will it take for her to earn back her initial investment?
General
5 months ago
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