A company selling eco-friendly cleaning products finds that…
A company selling eco-friendly cleaning products finds that 20% of people in a sample purchase their brand. The company invests in new advertising to promote its products in a test market. Based on the results of a study in the test market, the company constructed a 98% confidence interval to estimate the proportion of all customers who might purchase their brand. The resulting interval is 16% to 24%. In the past, they had thought that they held 17% of the market share of the cleaning products business. Is there evidence to conclude that they have gained market share?
Read DetailsA 43 year old patient presents to the ED with septic shock a…
A 43 year old patient presents to the ED with septic shock and is admitted to the ICU. According to the Surviving Sepsis Campaign, which of the following tasks should be completed within 1 hour of recognition of this condition? SELECT ALL THAT APPLY A. Blood culture collection B. Lactic acid level collection C. Administration of broad spectrum antibiotics D. Placement of a Swan Ganz catheter E. Administration of an anti-pyretic
Read DetailsA 49 year male with a history of IV drug abuse presents with…
A 49 year male with a history of IV drug abuse presents with septic shock and receives 1.5L IVF in the ED. On arrival to the ICU, his vital signs are the following: T 102.8F, HR 114, BP 77/52 (MAP 60), RR 24, O2 saturation 92% on 65% FiO2. An A-line and right IJ central line are placed by the ICU resident. A Flowtrac is attached to the patient’s A-line, and his hemodynamics are the following: CO 4.7, SV 97, SVR 615, and SVV 6. A bedside ultrasound shows his IVC is 35% collapsible. Based on this data, what is the appropriate intervention for his hypotension? Parameter Normal range Cardiac output 4-8L/min Stroke volume 60-130 ml/beat Systemic vascular resistance 770-1500 dynes/sec/cm-5 Stroke volume variation
Read Details7.3 Calculate the density of a substance with a volume of…
7.3 Calculate the density of a substance with a volume of 185 cm3 and the mass of 190,55g. Also name the substance from the table above (Round off to 2 decimal places) The formula for density: Density = Mass / Volume For EXAMPLE: Density = 20 g / 5 cm3 = 4 g/cm3 (4)
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