P 1) a) Find the value of zo such that P(Z > %o) = 0.5. ERN b) Find the value of zo such that P(Z
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A: Given the probabilities of the random variable L as PL≤0=90% PL=10=5% PL=20=5%
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- Solve the problem. At the Jumping Jack cookie factory, quality assurance inspectors remove broken or otherwise defective cookies from a moving conveyor belt prior to packaging. Based on past studies, the plant manager knows that the inspectors eliminate 98% of the defective cookies at a conveyor belt speed of 9 feet per minute. As the belt speed increases, the factory can produce more cookies per hour, but at the cost of lower quality of the packaged product. Inspectors collect only 60% of defective cookies at a belt speed of 18 feet per minute. QA Inspector Efficiency Inspector efficiency, % defective cookies eliminated 100 90 60 |(9.98) 50- 10 11 12 13 14 15 Belt speed, feet per minute (18,60) 16 17 18 a. Find an equation of the line through the given points. Write the equation in slope-intercept form. Round the slope and y-intercept each to 1 decimal place. b. Use the equation from part (b) to predict the efficiency of the inspectors at a belt speed of 15 feet per minute. Round to…%£0 l1. l. smid (21).jpg وسائط 21 (2 Points) If P(E) = 0.6 and P(Ē N D) = 0.1, then P(Ē n D) = O 0.4 O 0.3 O 0.7 O 0.6 O 0.1What is the precision of this ruler?
- redictor Coef SE Coef T P Constant 316.08 28.31 11.24 0.002 Elevation -30.732 3.511 -8.79 0.003 S = 11.8603 R-Sq = 95.6% a) The printout gives the value of the coefficient of determination r2. What is the value of r? Be sure to give the correct sign for r based on the sign of b. b) What percentage of the variation in y can be explained by the corresponding variation in x and the least-squares line? c) What percentage is unexplained?Using the t-table, the value for a left tail of 0.5% when n = 20 is In first blank insert whether t or z and in the second blank insert the numerical value found.How did you derive to get these values (encircled)? Please show the complete solution.
- 3:43 Safari Week 4 HW .. LTE 1. Three friends went to dinner. The cost of the meal was $26.97, and they left a tip of $4.85. 3. The discount on a laptop was $225. This was a discount of 30%. a. What was the original price of the computer? b. What was the sale price of the computer? Q a. Determine the percent of the tip, rounded to the nearest whole number. b. What was the total cost of the meal with tip? c. If they shared the cost equally, how much did each person pay? Round your answer to the nearest cent. 2. Mark bought a new bicycle for his son. The bike cost $149, and the sales tax rate was 6.5%. a. How much will Mark pay in tax? C. If the tax rate was 7.5%, how much did a customer have to pay in tax? d. What was the final cost of the laptop? Mobile View @ 4. Mariah received a $24 discount on a sweater that was on sale for 60% off. a. What was the original price of the sweater? A Read Aloud 5. Robin works in a retail store on a straight 8% commission. Her friend, Karen, earns $350…A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have a systolic and diastolic measurement. Find the coefficient of variation for each of the two samples; then compare the variation. Systolic 117 128 158 94 158 120 114 138 124 1219 Diastolic 79 77 76 50 88 62 70 80 87 56 The coefficient of variation for the systolic measurements is %. (Type an integer or decimal rounded to one decimal place as needed.)8