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Rachel pays $131.44 for a desk, including tax. The tax is 31 cents less than 1 16 the desk's price. What is the price for the desk before adding the tax?
General
6 months ago
A publisher reports that 37% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 350 found that 30% of the readers owned a laptop. Find the value of the test statistic. Round your answer to two decimal places.
General
6 months ago
Q. You're working for a tourism company that provides travelers with a unique "View from Above"hot air balloon tour. If you have a round hot air balloon that is shaped like a ball and is 50 feet indiameter, how much air does it contain? Use 3.14 for i.
General
6 months ago
Math homework that I have no clue how to even approach? Help please.If a stone is thrown down at 130 ft/s from a height of 1,450 feet, its height after t seconds is given by s = 1,450 − 130t − 16t^2.(a) Find its average velocity over the period [1, 4].=___ft/s(b) Estimate its instantaneous velocity at time t = 4. =___ ft/s
General
6 months ago
Apply the Pythagorean Theorem to find the distance between points A and B.
General
6 months ago
Major league baseball salaries averaged $3.26 million with a standard deviation of $1.2 million in a the past year. Suppose a sample of 100 major league players was taken this year. What is the approximate probability that the mean salary of the 100 players was less than $3.0 million?
General
6 months ago
An advertisement is on a flyer that has a thickness of 8.2 x 10^-5 meters. Each measurement below is the thickness of a stack of flyers. Drag each measurement to correct stack
General
6 months ago
A stone fell from the top of a cliff into the ocean.In the air, it had an average speed of 16 m/s In the water, it had an average speed 3m/s before hitting the seabed. The total distance from the top of the cliff to the seabed is 127 meters, and the stone's entire fall took 12 seconds.How long did the stone fall in the air and how long did it fall in the water?The stone fell in the air for____ seconds and fell in the water for ____ seconds.
General
6 months ago
(Linear System word problem) A total of 27 coins, in nickels and dimes, are in a wallet. If the coins total $2.15, how many of each type of coin are there?
General
6 months ago
PromptExplain how you have varying degrees of control over the three types of income, and how much control you have over each.
General
6 months ago
A pension fund manager decides to invest a total of at most $3535 million in U.S. Treasury bonds paying 66% annual interest and in mutual funds paying 99% annual interest. He plans to invest at least $55 million in bonds and at least $1515 million in mutual funds. Bonds have an initial fee of $100 per million dollars, while the fee for mutual funds is $200 per million. The fund manager is allowed to spend no more than $66000 on fees. How much should be invested in each to maximize annual interest? What is the maximum annual interest?
General
6 months ago
Provided below are summary statistics for independent simple random samples from two populations. Preliminary data analyses indicate that the variable under consideration is normally distributed on each population. Decide whether use of the pooled t-test and pooled t-interval procedure is reasonable. x overbar 1equals485.6, s 1equals44.3, n 1equals49, x overbar 2equals390.1, s 2equals61.3, n 2equals31.Is use of the pooled t-test and pooled t-interval procedure reasonable or not reasonable? A. Reasonable B. Not reasonable
General
6 months ago
Proving Segment Relationships1. FAMILY Maria is 11 inches shorter than her sisterNancy. Brad is 11 inches shorter than his brotherChad. If Maria is shorter than Brad, how do theheights of Nancy and Chad compare? What if Mariaand Brad are the same height?
General
6 months ago
n a poll, 51% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted of murder?" The margin of error in the poll was 3%, and the estimate was made with 95% confidence. At least how many people were surveyed? The minimum number of surveyed people was nothing. (Ro
General
6 months ago
A commonly cited standard for one-way length (duration) of school bus rides for elementary school children is 30 minutes. A local government office in a rural area randomly samples 100 elementary school children in their district and find an average one-way commute time of 38 minutes with a standard deviation of 8 minutes. Which of the following is the correct set of hypotheses for testing if the average commute time of elementary school students in this district is different than the commonly cited standard of 30 minutes? H0: x = 38; HA: μ = 30H0: μ = 30; HA: μ ≠ 30H0: μ = 30; HA: x = 38HA: μ = 30; H0: x ≠ 30H0: μ = 30; HA: μ > 30
General
6 months ago
Which expressions are equivalent to the one below? log 2- log 8
General
6 months ago
Find the probability that a randomly selected point within the circle falls in the red shaded area (square)
General
6 months ago
Which sequence could be described by the explicit definition: LaTeX: a_n=n^2-5a n = n 2 − 5 Group of answer choices 1,-4,4,11,116,... 1,2,3,4,5,6,... -4,-1,4,11,20,.... -4,11,116,13451
General
6 months ago
Players on the school soccer team are selling candles to raise money for an upcoming trip. Each player has 24 candies to sell. If a player sells for candies, a profit of $30 is made. If he sells 12 candies, a profit of $70 is made. The profit And the number of candies sold form a linear relation. What is the slope and what does it mean in this problem?
General
6 months ago
If the inspection division of a county weights and measures department wants to estimate the mean amount of soft-drink fill in 2-liter bottles to within LaTeX: \pm± 0.01 liter with 95% confidence and also assumes that the standard deviation is 0.05 liter, what sample size is needed?
General
6 months ago
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