MathMaster logo

MathMaster

  1. Home
  2. general
  3. the iq of a person follows a normal distribution and has a mean of 103 and a standard deviation of 15 using this informati
Question

The IQ of a person follows a normal distribution and has a mean of 103​ and a standard deviation of 15 Using this information and the 68-95-99.7 rule, find the following What percentage of the people have IQ scores between 88 118

249

likes
1245 views

Answer to a math question The IQ of a person follows a normal distribution and has a mean of 103​ and a standard deviation of 15 Using this information and the 68-95-99.7 rule, find the following What percentage of the people have IQ scores between 88 118

Expert avatar
Seamus
4.9
98 Answers
(88-103)/15 = -1 (118 - 103)/15 = 1 88 and 103 are 1 sd within the mean 1sd within the mean = 68%

Frequently asked questions (FAQs)
What is the value of 4 raised to the power of 5?
+
Math question: "For a function f(x) that is continuous on the closed interval [a, b], where a=-3 and b=5, evaluate the extreme value(s) of f(x) on this interval."
+
What is the sine ratio of an angle in a right triangle if the opposite side measures 10 units and the hypotenuse measures 20 units?
+
New questions in Mathematics
Add. 7/w²+18w+81 + 1/w²-81
-6(3x-4)=-6
-11+29-18
In a random sample of 600 families in the Metropolitan Region that have cable television service, it is found that 460 are subscribed to the Soccer Channel (CDF). How large a sample is required to be if we want to be 95% confident that the estimate of “p” is within 0.03?
If L = (-2, -5) is reflected across y= -4 , what are the coordinates of L?
a bank finds that the balances in its savings accounts are normally distributed with a mean of $500 and a standard deviation off of $40. What is the probability that a randomly selected account has a balance of more than $400?
A food delivery company charges on average a delivery fee of $5 per order (including food and shipping) and has monthly fixed costs of $600. If the average cost of each meal delivered that is revenue for the company is $10 and the company has a monthly profit of $800, how many orders must they deliver per month?
2. Juan is flying a piscucha. He is releasing the thread, having his hand at the height of the throat, which is 1.68 meters from the ground, if the thread forms an angle of elevation of 50°, at what height is the piscucha at the moment that Juan has released 58 meters of the thread?
Two numbers differ by 7, and the sum of their squares is 29. Find the numbers.
To celebrate the five-year anniversary of a consultancy specializing in information technology, the administrator decided to draw 3 different qualification courses among its 10 employees. Considering that the same employee cannot be drawn more than once, the total number of different ways of drawing among employees is:
If you randomly selected one person from the 900 subjects in this study, what is the probability that the person exhibits the minimum BMI?
5.- From the probabilities: 𝐏(𝐁) = 𝟑𝟎% 𝐏(𝐀 ∩ 𝐁) = 𝟐𝟎% 𝐏(𝐀 ̅) = 𝟕𝟎% You are asked to calculate: 𝐏(𝐀 ∪ 𝐁)
20% of 3500
Find 2 numbers whose sum is 47 and whose subtraction is 13
A triangular window has a base of 6 ft. and a height of 7 ft. What is its area?
Give an example of a function defined in R that is continuous in all points, except in the set Z of integers.
36 cars of the same model that were sold in a dealership, and the number of days that each one remained in the dealership yard before being sold is determined. The sample average is 9.75 days, with a sample standard deviation of 2, 39 days. Construct a 95% confidence interval for the population mean number of days that a car remains on the dealership's forecourt
A nondegenerate ideal gas of diatomic molecules with a kilomolar mass of 2 kg/kmol and a characteristic rotational temperature of 86 K is adsorbed on the walls of a container, where the binding energy is 0.02 eV. The adsorbed molecules move freely on the walls, and their rotation is confined to the plane of the walls. Calculate the surface density of adsorbed molecules at 12 K if the gas pressure is 103 Pa! What result would you get at 68 K and the same pressure?
6(k-7) -2=5
Dano forgot his computer password. The password was four characters long. Dano remembered only three characters: 3, g, N. The last character was one of the numbers 3, 5, 7, 9. How many possible expansions are there for Dano's password?

You might be interested in