a sample of ore is found to be 0.0012% diamond and 0.033% copper. What is the percentage of matter in the ore that is neither diamond nor copper? Round your answer to the nearest ten thousandth

Q: Find the missing measures

A:

Q: A survey of 78 snowmobilers revealed that 51 of them have driven under the influence of alcohol.…

A: Given data, n=78 x=51

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: Calculate, for the composite and each of the subject areas, the difference between the national…

A: We see that we have several values corresponding to a given number of subjects. These values are the…

Q: How many significant figures are in each of the following measured quantities?

A: Given that : 0.0003303 m 0.0003303=3303×10-7 The number of significant figures= Number of figures…

Q: (b) What percentage of standardized test scores is less than 190 or greater than 850? % (Round to…

A: We have to find the percentage of standardized test scores, less than 190 or greater than 850.

Q: What is the requested percentage?

A: 4.70c) In  this question, we have given Mean=513 S.D=130 To find the percentage for the score less…

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

A: comparing ratios red to yellow

Q: In each of the following situations, identify the population, the units, and each variable that is…

A: Population : The group of individuals/units from which statistical samples are drawn for a…

Q: The province of Pangasinan has a population of 3,163,190. Calculate the sample size using Yamane's…

A:

Q: If there is 15,000,000 of occupied sf of office space in San Antonio, an 75,000 office workers in…

A:

Q: If the price of gold is $238.00/ounce, calculate the value of gold in a 120.0 g ore sample that is…

A: Given Price of gold

Q: Which values have exactly three significant figures? Select two options. O 0.0230 grams O 0.035…

A:

Q: what is the approximate number of students taking the exam?

A: given: Grades follow Normal with u= 75 and σ= 8 12 students got more than 90.…

Q: d) What percentage of women are TALLER than 5 feet 11 inches? Round to nearest tenth of a percent. %…

A: Given Information: Mean height of adult men = 69.8 inches The standard deviation of height of adult…

Q: What proportion of z scores lie between -1 and +1 in the "height in inches" data set?

A: We have to find the probability such that P(-1 < Z < 1)

Q: What proportion of smokers in the sample died from heat disease? Round your answer to four decimal…

A: Given: Health data given for different categories. To calculate: Proportion of people who died from…

Q: What proportion of z scores lie between -3 and +3 in the height in inches data set

A: We have to calculate P(-3 < Z < 3)

Q: C) What percentage of CT scans in this target population would be positive?

A: Given: P(Cancer) = 3% = 0.03 P(No cancer) = 1-0.03 = 0.97. P(test positive|cancer) = 89% = 0.89…

Q: What was the population in 1925?

A: We know with a very good accuracy that the current world population is in the range of 7,325,996,709…

Q: Find the average rate of change in revenue if the production is changed from 999 car seats to 1,020…

A:

Q: Calculate the GPAor he lolowng sa er.

A:

Q: In a random survey of 1500 adults in California and 1000 adults in Oregon, you found that 228…

A: Given that

Q: what percentage of the men worked?

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

Q: c. Answer part (b) for a sample of 580 (to 4 decimals). -0.888:

A:

Q: A footwear retailer sold 12 pairs of sneakers for $45 each, 11 pairs of leather shoes for $140 each,…

A:

Q: What is the approximate percentage of students who scored between 29 and 71 on the test? Round to…

A:

Q: What are the total losses for the following process? average - 1.875 std dev - 0.11 USL - 2,00 LSL…

A: Given: Mean=1.875 standard deviation=0.11 USL=2.00 LSL=1.65

Q: 923 is what percentage of 1816 ? work the problem

A: This question can be solved using the concept of percentage.

Q: A community has a population of 76,000. A total of 3,650 deaths were reported during the past year.…

A: Given problem is : A community has a population of 76,000. A total of 3,650 deaths were reported…

Q: d) What percentage of women are TALLER than 5 feet 11 inches? Round to nearest tenth of a percent.…

A: formula for z-score is

Q: It is obtained by dividing each entry in the cumulative frequency column by N and multiplying by…

A:

Q: What is the percentage of area below z= -1.51? Round to nearest tenth as needed

A: The z-score value is -1.51.

Q: What percent of tire treads will last between 26,000 and 32,000 miles?

A: Given data: The mean life is μ=30000 miles. The standard deviation is σ=2000 miles.

Q: The amount of radioactive material in a sample halves every 14 hours. By what percent does the…

A: Given that  The amount of radioactive material in a sample halves every 14 hours. The equation of…

Q: at is Mrs. Gonzales's cholesterol level?

A: Let , X→N(μ=240 mg/dL , σ=20 mg/dL) Our aim is to find Mrs. Gonzales's cholesterol level.

Q: 17 A welder welding hex mesh in a refinery switches from a 1/8" diameter rod to a 3/16" diameter rod…

A: To find out the percentage increase in the surface area.

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: You are asked to make a 1/3 dilution using 1.5 mL of serum. How much diluent do you need to use?

A:

Q: a) What proportion of the sampled wafers had (P 2 8)? b) What proportion of the sampled wafers had…

A: 5. a) The frequency is, Number of Particles Cumulative frequency Frequency Number of Particles…

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: What percentage change in the total and Hispanic populations occurred in each state between 2000 and…

A: The U.S. Hispanic  populations reached a record 60.6 million in 2019, up 930,000 over the previous…

Q: (d) What percentage of GMAT scores are between 447 and 747?

A: We have to find out given probabiity..

Q: Sean also took the SAT (μ=1010,σ=200) and had a z score of +0.25. What was his SAT raw score? What…

A: Given data, μ=1010 σ=200 z-score=0.25

Q: A diastolic blood pressure greater than 90 is classified as hypertension (high blood pressure). What…

A:

Q: An environmentalist wants to find out the fraction of oil tankers that have spills each month.…

A: Givensample size = 563 tankers number of ships did not have spills = 445  number of ships have…

Q: use the rules of multiplication and/or division of measurements to evaluate. 4,300V divided by…

A: 4,300V divided by 16.4A  Since 16.4A is rounded to one significant digit, the answer will be rounded…

Q: Given μ=25and σ=4.8,what would be the x-value for the ninety-fifth percentile?

A: Given:  μ=25 σ=4.8

Q: At a local dunkin donuts a survery showed that out of 1060 customers eating lunch 318 ordered coffee…

A: Probability: The ratio of the number of favorable outcomes to certain event and total number of…