An e-commerce business is considering the design of its database for users’ shopping cart. They want the shopping cart function to operate 24/7 so that shoppers can make purchases whenever they like. They also want to ensure that the shopping cart function will not be disrupted in case of local network failures. Based on the information, which of the following database designs will you choose?

For hierarchical clustering, which statement is NOT correct?

“fzero” is a hybrid method that combines three interpolation techniques to find roots. List those three methods in the order of the operation.First, [ Answer 1 ]If the first fails, [ Answer 2 ]If both the first and the second fails,  [ Answer 3 ]

Pablo works for a company that has changed its in-house professional development program for employees. In 2024, it had a traditional compliance focus, and in 2025, it was more individualized, using AI to support the training. Group A (2024 cohort): Employees trained with traditional compliance-focused Group B (2025 cohort): Employees trained with AI support Pablo compared communication skill scores between employees trained in 2024 vs. 2025. What is the correct null hypothesis for a non-parametric test?

Below are five closing values for Apple in November 2025 Find the simple exponential smoothing forecast for Day 6 where the alpha = 0.2. Use JMP with customized alpha.  Round your answer to two values after the decimal. Apple closing stock values 11/10/25  11/11/2025 11/12/2025 11/13/2025 11/14/2025 269.43 275.25 273.47 272.95 272.41

Malik wants to compare delivery time reliability across three supply chain strategies: overseas outsourcing, nearshoring, and full reshoring to domestic facilities. Which assumption must hold true for the Kruskal–Wallis test?

An animal’s U/P ratio tells you the osmotic potential of their urine relative to the osmotic potential of their body fluids

Many animals form social groups that follow fission-fusion dynamics. What does this mean? Give examples of mechanisms of social foraging. Why may it be advantageous to hunt in a group? 

A hyperosmotic fish in freshwater will be constantly trying to prevent the loss of water and the gain of ions

The water a fish lives in suddenly gets very cold after a cold front hits the area. The fish’s metabolic rate should immediately decrease and then over several weeks (if the water stays cold) start to slowly increase.  This represents an initial chronic response followed by a slower acute response to changing temperatures.