Suppose a baker claims that her bread height is less than 15 cm, on average. Several of her customers do not believe her, so the baker decides to do a hypothesis test, at a 5% significance level, to persuade them. She bakes 22 loaves of bread. The mean height of the sample loaves is 13 cm. The baker knows from experience that the standard deviation for her bread height is 1.2 cm. H0: μ≥15; Ha: μ<15 α=0.05 (significance level) What is the test statistic (z-score) of this one-mean hypothesis test, rounded to two decimal places?

at home andrea has 1 2/3 kilograms of rice

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

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

the answer is 2/54

step-by-step explanation: