The Johnson family uses a propane gas grill for cooking outdoors. During the summer they need to replace their tank on average every 30 days. At a randomly chosen moment, determine the following: (a) What is the probability that they can grill out at least 4o days before they need to replace their tank? (Round your intermediate calculations and answer to 4 decimal places.) Probability (b) What is the probability that they can grill out no more than 20 days? (Round your intermediate calculations and answer to 4 decimal places.) Probability

Q: In Monopoly one rolls a pair of dice. Find the probability of getting a sum of 10. Round your answer…

A: The outcomes for each of the dice is {1, 2, 3, 4, 5, 6}.

Q: The Trapezoidal rule for approximating the integral of f(x) is based on: Select one: O Lagrange…

A: The solution is given as

Q: Two stores sell a certain product. Store A has 39% of the sales, 4% of which are of defective items,…

A: Store A has 39% of the sales, and 4% of which are defective.

Q: Solve this for me

A: The objective of the question is to find the percentage of rides that fall within a certain fare…

Q: A histogram of total US monthly retail sales, in billions of dollars, for the 136 months starting…

A:

Q: The 10 members of the swim team completed the following numbers of laps at today's practice. 78, 78,…

A: The number of laps at today's practice for 10 members are: 78, 78, 81, 82, 83, 84, 86, 88, 89, 90.

Q: solve for the function, x^3- 0.03x^2+2.4x10^-6=0, assuming stopping criterion of es=0.1

A:

Q: A binomial experiment with probability of success p=0.79 and n = 6 trials is conducted. What is the…

A: Given,Probability of success, p = 0.79Number of trials, n = 6We need to calculate the probability…

Q: The developed device is not expensive; in fact, it is very affordable. Both the sensitivity and…

A: Given that the sensitivity and specificity of the device are relatively high being more than 90% and…

Q: Given the following sales data, if there is no trend in the data a. What are the average seasonality…

A: Given the sales data as Year Quarter Sales 1 1 20   2 25   3 35   4 44

Q: Find the quadratic function that best models the data, with x representing the number of years after…

A:

Q: A binomial experiment with probability of success p=0.27 and n = 7 trials is conducted. What is the…

A: The question is about binomial distribution.Given :Success probability ( p ) = 0.27No. of trials ( n…

Q: The following table shows the number of hours some middle school students in two cities spend…

A: The two datasets are given as-City ACity B9627201726241521231225251425141811

Q: A website asks its users for a 9-character password that must satisfy the following conditions: a.…

A: The password is case sensitive. Therefore, capital letters (uppercase) and lowercase letters will be…

Q: A sales person estimates the probabilities given in the table for the number of weekly sales of a…

A: The probability mass function of weekly sales of a photocopying machine is given. Define the Random…

Q: Here is a scatter plot for a set of bivariate data. What would you estimate the correlation…

A: The strength and direction of linear relationship between two variables is measured by correlation,…

Q: Evaluate the following integral using Simpson's 3/8 rule with n=3 (3- - 2x + 2x*)dx

A:

Q: For the distribution in the following table, what is the 60th percentile? c% 50-59 100% 40-49 90%…

A:

Q: 3. Sketch two full periods of the function f(x) = cos (3x +=) + 1. Determine (3x+)+1. Determine %3D…

A: Given that f(x)=cos3x+π2+1To find : amplitude,period,horizontal shift ,and equation of…

Q: Using spherical coordinates, the volume of the solid inside the sphere x + y +z? 9 and 3/3 is given…

A: and

Q: 1. Use the ed definition to prove that the function f(x) = = (a) continuous at z = 0. (b) continuous…

A:

Q: A friend who works in a big city owns two cars, one small and one large. One-quarter of the time he…

A: Given that, A friend who works in a big city owns two cars, one small and one large. One-quarter of…

Q: Q.No.1. (a) Let h(u, v) = ln(n – u² + v) + VVv - u , Where n is n= 481. Find its domain and sketch…

A: First we will check domain for ln part:

Q: Consider the polar curves C2 : r = 4 cos 0 and C3 : r = 4 sin 0. (a) Determine the slope of the…

A:

Q: For the set of numbers {17.93, 19.61, 19.84, 20.41, 20.95), compute the following: Average Standard…

A: Solution-: As per our guidelines we can solve first three subpart and rest can be reposted. We…

Q: Consider the following data for two investments, A and B: Investment A: I = 27 8 = 15 Investment B:…

A: The mean and standard deviation of investment A are 27 and 15, respectively. The mean and standard…

Q: A cardiogram test correctly identifies those with disease 94% of the time and correctly diagnoses…

A:

Q: a. Determine the following probability: P(X=-3) = ? %3D Answer in exact fraction or exact decimals…

A: As per our guidelines, we are allowed to  answer first three sub-parts only. Thanks   Given PDF :…

Q: A house in a nearby neighborhood has 4 bedrooms and 1750 square feet of living ares. Use the…

A: The question is based on multiple regression model. Given : Reg. eq. : Price^ = 20788.72 - 8719.24…

Q: Jade sells movies on E-bay and keeps detailed records of his sales. His accountant is looking over…

A: Average price = 17 20 blu discs sold at rate $25 17 dvds sold at rate $15 10 vhs sold  Total movies…