A sample of ore is found to be 0.0022% gold and 0.059% silver. What is the percentage of matter in the ore that is neither gold or silver?

Q: Find the raw score which corresponds to z=1.6?

A:

Q: A coffee owner wanted to determine how much caffeine was in each cup of coffee being served. A…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: What is the magnitude in the Richter scale of an earthquake that released 10 joules of energy? (5

A: Direct use the formula of Richter Scale and substitute the given values then simplify.

Q: Whose paint has a greater ratio of red to yellow?

A: comparing ratios red to yellow

Q: Six analysts each made six determinations of the paracetamol content of the same batch of tablets.…

A:

Q: The red blood cell counts (in 10 cells per microliter) of a healthy adult measured on 6 days are as…

A:

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A: Given Information: Country A: Sample size n1=1004 Sample proportion p^1=0.53 Country B: Sample size…

Q: A vacuum pump removes one-half of the air in a container with each stroke. After 10 strokes, what…

A: Given that, the vacuum removes one-half of the air in a container with each stroke. Assume that the…

Q: How is the formula for sector area formed? *Show the proportion!

A: We have to explain the formula for sector area.

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A:

Q: In a sample of 45 men, 27 said that they had less leisure time today than they had 10 years ago. In…

A:

Q: What percentage of the variation in  can be explained by the corresponding variations in  and  taken…

A: X1 is the dependent variable  X2 and X3 are the independent variables.

Q: The manifacturer of a certain brand of cigarettes claims that the average nicotine cintebtbdoes not…

A: Given: μ0=2.5 mg

Q: What percentage of students spent up to 49 minutes on the computer?

A: Introduction: The quantity N possibly indicates the total number of observations in the dataset,…

Q: H- ar Per and

A: We know that, t Statistic for mean is given by, t= (X bar -mu)/s/√n Mean, X bar =(summation Xi)/n =…

Q: Lichen has a high absorbance capacity for radiation fallout from nuclear accidents. Since lichen is…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: Diastolic blood pressure in adults is normally distributed with m = 80 mm Hg and s = 12 mm Hg. In a…

A: The probability that diastolic blood pressure below 70 mm Hg is,

Q: Use the figure to the right, which shows the percentages of adults from severa power plants in their…

A: Null hypothesis: H0: pl=p2 Alternative hypothesis: Ha: pl≠p2

Q: What percentage of the people who worked were males?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 What percentage of the…

Q: A. What was the population in 1850?

A:

Q: What is the pack efficiency of the tennis ball can?  That is, the 3 tennis balls represent what…

A: Given: 3 tennis balls are packed in a tennis ball can. The objective is to find the packing…

Q: The journal article that contains the results of the study actually reports that males with epilepsy…

A: So, the second part of the question indicates the interval of confidence,This interval is taken to…

Q: 1) Inspect the data and estimate the amount of blood lost due to one hookworm. (mL/day)

A: X Y (x-xbar) (x-xbar)^2 (y-ybar) (y-ybar)^2 (x-xbar)*(y-ybar) 24 12.2 -26.83333 720.02778…

Q: a. What percentage of adult men can fit through the door without bending?

A: Let , X be the height of men. Here , X→N(μ=67.1 , σ=3.6) Since , the door height is 56.2 in. Our aim…

Q: Which term describes BD?

A: Given:  To find the line segment BD describes which term in the given option.

Q: Calculate the GPAor he lolowng sa er.

A:

Q: a sample of ore is found to be 0.0012% diamond and 0.033% copper. What is the percentage of matter…

A: Given:- A sample of ore is found to be 0.0012% diamond and 0.033% copper To find:- The percentage of…

Q: To investigate water quality, the Columbus Dispatch took water specimens at 16 Ohio State Park…

A: The mean E.coli level is obtained as given below:…

Q: What percent of the batches of water discharged exceed the 80 ppm standard?

A: Given: Calculate the required probability as follows:

Q: How much samarium-153 would remain 72 hours after a patient was treated with 2 grams of…

A:

Q: It was recently estimated that uninsured vehicles outnumber insured ones by about seven to six. If…

A: as per information : uninsured vehiclesinsured vehicles=76 assume  No of uninsured vehicles=7x No of…

Q: What percentage of the blocks are red?

A:

Q: calculate the number of hydrogen atoms in a 140.0g sample of tetraborane (B4H10)?

A: Given:-             The number of hydrogen atoms =140.0 g

Q: A firm produces bolts whose length x is normally distributed with a Me = 78.3 mm and a SD = 1.4mm.…

A: Given information- Population mean, µ = 78.3 mm SD = 1.4 mm Let X be the length of the bolt produces…

Q: What is mZx?

A:

Q: An immunologist is interested in whether the number of symptoms of the flu a person first exhibits…

A: The test is to check whether the number of symptoms of the flu a person first exhibits is related to…

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A:

Q: NASA is conducting an experiment to find out the fraction of people who black out at G forces…

A: From the given information, The population proportion was estimated to be 0.34. Margin of error is…

Q: 59 T. MZRPS = %3D 201

A:

Q: What is the column proportion, D, for students who find SAS difficult to learn and who are somewhat…

A: The number of students who find SAS difficult to learn and who are somewhat proficient is 15.

Q: how much bacteria is present after 18 minutes?

A:

Q: A 40 gram alloy containing 35% gold is to be melted with a 20 gram alloy containing 50% gold. How…

A:

Q: What is the average miles per gallon (mpg) for all new cars? Using Consumer Reports, a random sample…

A:

Q: A coffee owner wanted to determine how much caffeine was in each cup of coffee being served. A…

A: Given information: The data represents the amount of caffeine present in each cup of coffee that is…

Q: what percentage of the women did not work?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 percentage of the women…

Q: mean: 67.755 standard deviation: 26.871

A: The normal distribution:A continuous random variable X is said to follow normal distribution if the…

Q: A survey found that in a sample of 100 families, 37 owned cats. A survey done 5 years ago found that…

A:

Q: af mPR 45. what is the measure of PTR? MRTS?

A: Given:       m∠PR = 45°  According to intersecting cords or secants theorem       m∠PTR  = (  arcPR…

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.