Math Answers

The proportion of eligible voters in the next corporation election (in tumkur) who will vote for the incumbent is assumed to be 55%. What is the probability that in a random sample of 500 voters less than 49% say they will vote for the incumbent? Write your conclusion.

The weight 250 senior high school average 60 kg and the standard deviation is 6 kg how many children weigh between 50 kg and 75 kg

The probabilities that the costumer will buy 1,2,3,4,5 items in a grocery store are 1/6,1/6,1/6,2,/6,1/6 respectively. what is the average number of item that

a costumer will buy?

Monthly income of the families is continuous or discrete and explain with supporting your answer

Find the negative roots of the equation x^3-2x+5=0, correct to 3 places of decimal by Newton raphson method

The average time it takes a group of college students to a certain examination is 57.3 minutes . The standard deviation is 9 minutes . Assume that the variable is normally distributed. What is the Probability that a randomly selected college student will complete the examination in less than 54 minutes

A company manufactures fuses. From historical records it is known that 6% of all fuses manufactured at the company is defective. A random sample of 10 fuses is selected off the production line for inspection.

What is the probability (to 2 decimal places) that more than 8 fuses are manufactured without any defects?

The lifespans of the light bulbs produced by a Filip Company are normally distributed with a mean of 1150 hours and a standard deviation of 175 hours. (Note: For z-scores, round off to two decimal places.)

What percentage of the light bulbs would be expected to last between 1000 hours and 1250 hours?

The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 3331

3331 grams and a variance of 362,404

362,404. If a newborn baby boy born at the local hospital is randomly selected, find the probability that the weight will be less than 3812

3812 grams. Round your answer to four decimal places.

The average monthly income of employees in a certain company is P28,000 with a

standard deviation of P9,000. Below which income do we find the lowest 5% of the

nincomps?