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A university would like to estimate the proportion of fans who purchase concessions at the first basketball game of the season. The basketball facility has a capacity of 3,600 and is routinely sold out. It was discovered that a total of 300 fans out of a random sample of 400 purchased concessions during the game. Construct a 95% confidence interval to estimate the proportion of fans who purchased concessions during the game.
General
2 months ago
A random sample of 36 trucks traveling on a section of an interstate showed an average speed of 71 mph. The distribution of speeds of all trucks on this section of highway is normally distributed with a standard deviation of 10.5 mph. The value to use for the standard error of the mean is:
General
2 months ago
If Jayden is reading a 275 page book and can read 10 pages in 15 minutes, skim through 15 pages in 10 minutes, and finishes the book in 5 hours and 50 minutes (reading and skimming combined), how many pages did Jayden have to skim through?
General
2 months ago
"In order to complete a reading assignment on time, Terry planned to read 90 pages per day. However, she read only 75 pages per day at first, leaving 690 pages to be read during the last 6 days before the assignment was to be completed. How many days in all did Terry have to complete the assignment on time?(A) 15(B) 16(C) 25(D) 40(E) 46"
General
2 months ago
A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 440 seconds and a standard deviation of 60 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 302 seconds.
General
2 months ago
Find the roots.3x2 - 5x+ 2 =0
General
2 months ago
tanA+ secA -1/ tanA - secA+1= 1+ sinA/ cosA
General
2 months ago
A planned community has 150 homes, each with an automatic garage door opener. The door opener has seven switches that a homeowner can set to 0 or 1. For example, a door opener code might be 1001100. Assuming all the homes in the community are sold, what is the probability that at least two homeowners will set their switches to the same code, and will therefore be able to open each other's garage doors?
General
2 months ago
A test consists of 10 true/false questions. To pass the test a student must answer at least 6 questions correctly. If a student guesses on each question, what is the probability that the student will pass the test? Round to three decimal places. A. 0.205 B. 0.172 C. 0.828 D. 0.377
General
2 months ago
Select the correct answer from each drop-down menu. The angle by which turns clockwise about point B to coincide with is degrees. If from point B, a point E is drawn directly opposite point C so that B, E, and C are on the same straight line, the angle by which turns counterclockwise to coincide with is degrees.
General
2 months ago
Find the sum. ???? 2 0−2 3???? + ????0 00 0????
General
2 months ago
What are the coordinates of the center of the circle (x-1)²+(y-2)²=2² and y=2x+2?
General
2 months ago
There are 18 apartments in Russell's building. The number of apartments per floor is equal to 2 times the number of floors in the building. How many apartments are on each floor?
General
2 months ago
Each day that a library book is kept past its due date, a $0.30 fee is charged at midnight. Which ordered pair is a viable solution if x represents the number of days that a library book is late and y represents the total fee?(–3, –0.90)(–2.5, –0.75)(4.5, 1.35)(8, 2.40)
General
2 months ago
PLEASE HELP OH LORD JESUS PLEASE HELP ME!! I NEED HELP!! PLEASE HELP!!!BELOW LOOK!!! three photos!! please AHHH HELPp!p!p25 POINTS TAKE IT PLEASE HELP!!!! HELP!!!
General
2 months ago
What is the equation, in point-slope form, of the line that is perpendicular to the given line and passes through thepoint (2,5)?y + 5 = x + 2y-2 = x-5y-5=-(x - 2)y + 2 = -(x + 5)
General
2 months ago
HELPPPPPP ASAPPPPPPPP
General
2 months ago
Peyton borrowed some money from her friend in order to help buy a new video game system and agreed to pay the friend back a constant amount each week. Peyton originally borrowed $200 from her friend and after 4 weeks, she still owed her friend $100. Write an equation for the function L(t),L(t), representing the amount Peyton owes her friend after tt weeks.
General
2 months ago
Use the geometric series formulas to find the sum of the geometric series.1 + √3 + 3 + 3√3 + ⋯ + 243
General
2 months ago
Write each sum using summation notation12 + 22 + 32 + 42 + ⋯ + 10000^2
General
2 months ago
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