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John's commute from home to work is normally distributed with mean 45 minutes, deviation
standard 3 minutes.
a) What is the probability that John travels from home to work in 30 to 40 minutes?
b) If the starting time at the company is 9:00 am, what time should John start going from home?
so that the probability of getting to work on time is 95%?
Q3: Write a program to perform basic to class conversion [Class name: “conversion” with data members: feet and inches (both int)] Convert basic type(int) height in terms of total number of inches into equivalent feet and inches (class type) and display output on screen.
Q1: Write a program to take input for n number of doctor records and write records of all cardiologists in a file named: “record1”. Also write records of all those doctors in another file named: “record2” who are taking salary more than INR 80,000. After writing records in both files, merge their contents in another file: “finalrecord” and read all records of “finalrecord” file and display on screen. [Attributes of doctor: doc_id, doc_name, doc_specialization, doc_salary]
A human being can be electrocuted if a current as small as 50mA passes near the heart. An electrician with sweaty hands makes good contact with two conductors he is holding, one in each hand. If his resistance is 2kΩ, what is the fatal voltage?
Write a program to overload binary + operator using friend function to add values entered in kilo meters and meters and to overload binary – operator using member function to subtract values entered in kilograms and grams
In a group of 35 ex-athletes, 17 play golf, 20 go cycling, and 12 do yoga. Exactly 8
play golf and go cycling, 8 play golf and do yoga, 7 go cycling and do yoga, and 4 do
all three activities. How many of the ex-athletes do none of these activities?
Consider a small unit of a factory where there are 5 employees : a supervisor and four labourers. The workers earn a salary of Rs. 5,000 per month each while the supervisor gets Rs. 15,000 per month. Calculate the mean, median and mode of the salaries.
Consider an economy that consists only of those who bake bread and those who produce its ingredients. Suppose that this economy’s production is as follows: 1 million loaves of bread (sold at Rs. 2.00 each); 1.2 million pounds of flour (sold at Rs. 1.00 per pound) and 100,000 pounds each of yeast, sugar & salt (all sold at Rs. 1.00 per pound). The flour yeast, sugar & salt are sold only to bakers, who use them exclusively for the purpose of making bread.
a. b.
Calculate the total income of the economy.
How much value is added to the flour, yeast, sugar & salt when the bakers turn into bread?
Oil flows through a pipeline which contracts from 450mm diameter at A to 300mm diameter at B and then forks, one branch being 150mm diameter discharging at C and the other branch 225mm diameter discharging at D. if the velocity at A is 1.8 m/s and the velocity at D is 3.6 m/s, what will be the discharges at C & D and the velocity at B & C
Wright an argumentative essay of five paragraphs.
National dialogue is essential/not essential in Ethiopia
