A random sample of 56 fluorescent light bulbs has a mean life of 645 hours and assume that the population standard deviation is 31 hours. Construct a 95% confidence interval for the population mean. A. (539.6,551.2) B. (112.0,118.9) C. (712.0,768.0) D. (636.9,653.1)

Q: 2. How NOT to show P=Q. Here is an argument that shows that if n² is even, then n is even Proof. If…

A:

Q: Find the effective annual yield to the nearest hundredth of a percent for an account paying 2%…

A: For compounded monthly, n=12

Q: The table to the right shows the number of female students who played on a sports team in grades 9…

A: Answer

Q: The city of Raleigh has 10000 registered voters. There are two candidates for city council in an…

A: Given x=185 n=10000

Q: 9. A cylindrical fish tank has a diameter of 6 feet and a height of 3 feet. How many tropical fish…

A:

Q: I need help checking my answers on some study problems. Thanks for your help.

A: We have been given two rational functions and we need to find some composite functions and their…

Q: • Position your wine bottle on the XY-plane, and conveniently place your axes. • Construct a table…

A: Distance from the base (in inches), X Diameter (in inches), Y 0 2.5 1 2.8 2 2.75 3 2.8 4…

Q: Rewrite the equation to keep the shape exactly the same, and to SHIFT THE GRAPH DOWN 3 UNITS.…

A: Let the general cosine function be of the form y=Acosbx+c+d to shift the graph x units down,…

Q: Find the image of triangle ABC for the dilation with center P and scale factor 1/4.

A: Given- a triangle formed by joining dotted line to fined new triangle with scale factor 1/4

Q: A researcher claims that a post-lunch nap decreases the amount of time it takes males to sprint 20…

A: The sprint time of males with nap and without naps is given as follows:Male12345678910Sprint time…

Q: Let V be a vector space of dimension 4, and let W be a vector space of dimension 2. Let L:VW be a…

A:

Q: A fruit stand has to decide what to charge for their produce. They need $10 for 4 apples and 4…

A: Let's find charge of apple and orange.

Q: Practice 4.5: Proving Theorems About Angles in Parallel Lines Cut by a Transversal Use the following…

A:

Q: The diameter of a circle is 6 in. Find its area to the nearest tenth.

A: See the attachment.

Q: An energy company wants to choose between two regions in a state to install energy-producing wind…

A: Given Information:Region A:Sample size Sample mean Population standard deviation Region B:Sample…

Q: Conside the telescoping series. an a. Find the first three partial Ssums %3D b. Find a formula for…

A: Given that ∑an=n=1n=∞∑n=1∞ln1n-ln1n+1. We know that the kth partial sum of this series is Sk=∑akn=1k…

Q: Show that 1 1 1 3 1.3 2.4 3.5 4 [Hint: Find an expression for a general term in the sum and see if…

A:

Q: Find all zeros of the polynomial. [Hint: Factor by grouping.] (Enter your answers as a…

A: Please refer the attached image for complete solution.

Q: #1 27 Prove that lim 777-20 1²-20 216 # 3 #2 Define a =0 - (give Define a sequence {ant by selling…

A:

Q: - On a typical day at the beach in southern California, a beachgoer will encounter 12 different…

A: There are two type of variables : Continuous variables and discrete variables. Continuous variables…

Q: level. Are these results very different from the confidence interval 25.8 hg < u <28.6 What is the…

A: Given : n=161 , X-bar=26.7  , s=6.5  , α=0.02 Since , the population standard deviation (σ) is…

Q: 2. State the transformations from the dotted to the solid line. Then write the equation of the solid…

A: Here we find the equation of logarithmic function.

Q: (b) Find P (More than 3). P (More than 3) = X S

A: A student takes a multiple-choice test that has 11 questions. Each question has 5 choices.Thus,  and…

Q: Use the rule of 70 to estimate the years to double at an inflation rate of 4%.

A: Here, rate= 4

Q: I need help figuring this out.

A: Find out composition of functions

Q: i need help figuring this out please

A: Introduction: The 121 people who responded that they were unsure about the research question are…

Q: a. Complete the missing entries in this Excel Regression tool output. Enter negative values as…

A: The F statistic is given byF = MSregMSresF = 0.88105 0.01685 = 52.28783   Significance F  = p-value…

Q: Determine whether the claim stated below represents the null hypothesis or the alternative…

A: The claimed statement is: The mean Incubation period for the eggs of a species of bird is more than…

Q: 8. [8] Of the plants offered in a local garden and craft center, 18% are poinsettias and are…

A: As due to the honor-code, we are authorized to answer only one question with a maximum of 3 subparts…

Q: 35-40: Type of Study. Determine whether each of the following studies described is observational or…

A: In Statistics, an experiment is a study method in which, the researchers allocate the subjects to…

Q: 51. CLOCKS The period of a pendulum is the time required for it to make one complete swing back and…

A:

Q: (Hint, the parentheses, are where you are renaming in terms of sin or cos, or when you are getting a…

A: Topic = Trigonometry

Q: For every 2 cheese pizzas, he makes 3 ham pizzas. For ev bottle There are 60 people in the party, of…

A: 4. a) The objective is to find number of Pizzas, he needs to make all together. Also, the number of…