Use the table to answer the question. Note: Round z-scores to the nearest hundredth and then find the required A values using the table. A blologist found the wingspans of a group of monary butterflies to be normally distributed with a mean of 54.7 mm and a standard deviation of 2.4 mm. What percent of the butterflies had the following wingspans? (Round your answers to one decimal place.) (a) less than 48.8 mm (b) between 49 and 56 mm

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Step-by-step explanation:

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

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step-by-step explanation: