The alternative hypothesis is a right-tailed with a z-score = 0.21 
Definitions:
Industrial Products
Products sold primarily for use in producing other products.
Customer Service
The support and assistance provided by a company to the users of its products or services before, during, and after a purchase.
Product Guarantees
Promises made by the seller or manufacturer about the quality or lifespan of a product, providing assurance to the buyer.
Salesperson's Presentation Mix
A salesperson's presentation mix involves the combination of verbal communication, visual aids, demonstrations, and personal selling techniques used to effectively engage and persuade a potential customer.
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